BuyFind*arrow_forward*

7th Edition

Alexander + 2 others

Publisher: Cengage,

ISBN: 9781337614085

Chapter 11.CT, Problem 3CT

Textbook Problem

Without using a calculator, find the exact value of:

a) tan 45^{0} |
b) sin 60^{0} |

Elementary Geometry For College Students, 7e

Show all chapter solutions

Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...

Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - For the triangles in Exercises 1 to 6, a why does...Ch. 11.2 - Using the right triangle from Exercise 1, show...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In the right circular cone, a Find r correct to...Ch. 11.2 - In parallelogram ABCD, find to the nearest degree:...Ch. 11.2 - A ladder of length AB is carried horizontally...Ch. 11.2 - Use the drawing provided to show that the area of...Ch. 11.2 - For Exercise 42 and 43, use the drawing and the...Ch. 11.2 - For Exercise 42 and 43, use the drawing and the...Ch. 11.2 - In regular pentagon ABCDE, each radius has length...Ch. 11.2 - Consider regular pentagon ABCDE of Exercise 44. In...Ch. 11.3 - In Exercises 1 to 4, find tan and tan for each...Ch. 11.3 - In Exercises 1 to 4, find tan and tan for each...Ch. 11.3 - In Exercises 1 to 4, find tan and tan for each...Ch. 11.3 - In Exercises 1 to 4, find tan and tan for each...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 11 to 14, use a calculator to find...Ch. 11.3 - In Exercises 11 to 14, use a calculator to find...Ch. 11.3 - In Exercises 11 to 14, use a calculator to find...Ch. 11.3 - In Exercises 11 to 14, use a calculator to find...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In the triangle shown, find each measure to the...Ch. 11.3 - At an altitude of 12,000 ft, a pilot sees two...Ch. 11.3 - Consider the regular square pyramid shown. a Find...Ch. 11.3 - Consider the regular square pyramid shown. a Find...Ch. 11.4 - In Exercises 1 and 2, use the given information to...Ch. 11.4 - In Exercises 1 and 2, use the given information to...Ch. 11.4 - In Exercises 3 and 4, state the form of the Law of...Ch. 11.4 - In Exercises 3 and 4, state the form of the Law of...Ch. 11.4 - In Exercises 5 and 6, state the form of the Law of...Ch. 11.4 - In Exercises 5 and 6, state the form of the Law of...Ch. 11.4 - In Exercises 7 and 8, state the form of the Law of...Ch. 11.4 - In Exercises 7 and 8, state the form of the Law of...Ch. 11.4 - For ABC not shown, suppose you know that...Ch. 11.4 - For ABC not shown, suppose you know that...Ch. 11.4 - In Exercises 11 to 14, find the area of each...Ch. 11.4 - In Exercises 11 to 14, find the area of each...Ch. 11.4 - In Exercises 11 to 14, find the area of each...Ch. 11.4 - In Exercises 11 to 14, find the area of each...Ch. 11.4 - In Exercises 15 and 16, find the area of the given...Ch. 11.4 - In Exercises 15 and 16, find the area of the given...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - For the triangle shown, the area is exactly...Ch. 11.4 - For the triangle shown, use the Law of Cosines to...Ch. 11.4 - In the support structure for the Ferris wheel,...Ch. 11.4 - On a baseball diamond a square, the bases are 90ft...Ch. 11.4 - On the baseball diamond, the pitchers mound is...Ch. 11.4 - Show that the form of the Law of Cosines written...Ch. 11.4 - Explain why the area of the parallelogram shown is...Ch. 11.4 - Find the area of MNPQifa=8cm,b=12cm,and=70. Answer...Ch. 11.4 - Find the area of MNPQifa=6.3cm,b=8.9cm,and=67.5....Ch. 11.4 - The sides of a rhombus have length a. Two adjacent...Ch. 11.4 - Two sides of a triangle have measures a inches and...Ch. 11.4 - Use Theorem 11.4.1 to show that the area of an...Ch. 11.CR - In Review Exercises 1 to 4, state the ratio...Ch. 11.CR - In Review Exercises 1 to 4, state the ratio...Ch. 11.CR - In Review Exercises 1 to 4, state the ratio...Ch. 11.CR - In Review Exercises 1 to 4, state the ratio...Ch. 11.CR - In Review Exercises 5 to 8, state the ratio...Ch. 11.CR - In Review Exercises 5 to 8, state the ratio...Ch. 11.CR - In Review Exercises 5 to 8, state the ratio...Ch. 11.CR - In Review Exercises 5 to 8, state the ratio...Ch. 11.CR - In Review Exercises 9 to 12, use the Law of Sines...Ch. 11.CR - In Review Exercises 9 to 12, use the Law of Sines...Ch. 11.CR - In Review Exercises 9 to 12, use the Law of Sines...Ch. 11.CR - In Review Exercises 9 to 12, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercise 18 to 20, prove each statement...Ch. 11.CR - In Review Exercise 18 to 20, prove each statement...Ch. 11.CR - In Review Exercise 18 to 20, prove each statement...Ch. 11.CR - In Review exercises 21 to 30. Use the drawings....Ch. 11.CR - In Review exercises 21 to 30. Use the drawings....Ch. 11.CR - In Review exercises 21 to 30. Use the drawings....Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - If sin=725, find cos and sec.Ch. 11.CR - If tan=1160, find sec and cot.Ch. 11.CR - If cot=2120, find csc and sinCh. 11.CR - In a right circular cone, the radius of the base...Ch. 11.CT - For the right triangle shown, express each of the...Ch. 11.CT - For the right triangle shown, express each ratio...Ch. 11.CT - Without using a calculator, find the exact value...Ch. 11.CT - Use your calculator to find each number correct to...Ch. 11.CT - Using your calculator, find to the nearest degree...Ch. 11.CT - Without the calculator, determine which number is...Ch. 11.CT - In the drawing provided, find the value of a to...Ch. 11.CT - In the drawing provided, find the value of y to...Ch. 11.CT - In the drawing provided, find the measure of to...Ch. 11.CT - Using the drawing below, classify each statement...Ch. 11.CT - A kite is flying at an angle of elevation of 670...Ch. 11.CT - A roofline shows a span of 12 ft across a sloped...Ch. 11.CT - If sin =12, find: a csc bCh. 11.CT - In a right triangle with acute of measures and ,...Ch. 11.CT - Use one of the three forms for area such as the...Ch. 11.CT - On the basis of the drawing provided, complete the...Ch. 11.CT - On the basis of the drawing provided, complete...Ch. 11.CT - Use the Law of Sines or the Law of Cosines to find...Ch. 11.CT - Use the Law of Sines or the Law of Cosines to find...Ch. 11.CT - Each apothem of regular pentagon ABCDE has length...

Find more solutions based on key concepts

Show solutions Find the limit. Use lHospitals Rule where appropriate. If there is a more elementary method, consider using it....

Single Variable Calculus: Early Transcendentals, Volume I

Find the prime factorization of each number (use divisibility tests where helpful): 27

Elementary Technical Mathematics

Circular Motion In Exercises 47-50, consider a particle moving on a circular path of radius b described by r(t)...

Calculus: Early Transcendental Functions

What value is represented by the uppercase letter N? a. the number of scores in a population b. the number of s...

Essentials of Statistics for The Behavioral Sciences (MindTap Course List)

In Exercises 13 to 22, insert either or in the blank space between the sets to make a true statement. {3, 5, ...

Mathematical Excursions (MindTap Course List)

A sample of n = 9 scores has a mean of M = 20. One of the scores is changed and the new mean is found to be M =...

Statistics for The Behavioral Sciences (MindTap Course List)

In Problems 39-46, (a) evaluate each determinant and (b) use the determinant to decide whether each matrix has ...

Mathematical Applications for the Management, Life, and Social Sciences

For Problems 55-94, simplify each numerical expression. Objectives 7 (712)(32)

Intermediate Algebra

(a) Find an equation of the sphere that passes through the point (6, 2, 3) and has center (1, 2, 1). (b) Find t...

Multivariable Calculus

In Exercises 9-14, decide whether the specified values come from a linear, quadratic, exponential, or absolute ...

Finite Mathematics

By any method, determine all possible real solutions of each equation in Exercises 1330. Check your answers by ...

Finite Mathematics and Applied Calculus (MindTap Course List)

Rewrite each expression in Exercises 116 as a single rational expression, simplified as much as possible. 1(x+y...

Applied Calculus

a Find the slope of the tangent to the astroid x=acos3,y=asin3 terms of . Astroids are explored in the Laborato...

Calculus (MindTap Course List)

Let X denote the distance (m) that an animal moves from its birth site to the first territorial vacancy it enco...

Probability and Statistics for Engineering and the Sciences

In Exercises 39-50, sketch the graph of the function with the given rule. Find the domain and range of the func...

Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach

Use transformations to sketch the graph of the function. 16. f(x)={1+xifx01+x2ifx0

Single Variable Calculus

Identifying Transformations Match the graph with the function. (See the graph of y = |x| on page 96.) 27. y = |...

Precalculus: Mathematics for Calculus (Standalone Book)

In Exercises 5-8, find the limit. limx01x(x+x)

Calculus: An Applied Approach (MindTap Course List)

For a math test on which the mean score was 59 and the standard deviation was 4, what is the probability that a...

Essentials Of Statistics

A runner sprints around a circular track of radius 100 m at a constant speed of 7 m/s. The runner's friend is s...

Calculus: Early Transcendentals

(c) Find (or estimate) the P-value. Sketch the sampling distribution and show the area corresponding to the P-v...

Understanding Basic Statistics

Calculate the missing information based on the format of the income statement.
Net Sales Cost of Goods Sold Gro...

Contemporary Mathematics for Business & Consumers

Use the guidelines of this section to sketch the curve. y=sinx2+cosx

Single Variable Calculus: Early Transcendentals

Consider the additive group and the multiplicative group G={ 1,i,1,i } and define :G by (n)=in. Prove that is...

Elements Of Modern Algebra

Approximating Reciprocals Use Newtons Method to show that the equation xn+1=xn(2axn) can be used to approximate...

Calculus of a Single Variable

Use a calculator to find a value of between 0 and 90 that satisfies each statement. Write your answer in degre...

Trigonometry (MindTap Course List)

In Exercises 23 to 24, find the three factors for the cubic trinomials. x3-9x

Elementary Geometry for College Students

Finding a Derivative In Exercises 5378, find the derivative of the function. y=1ax+ba2lna+bxx

Calculus: Early Transcendental Functions (MindTap Course List)

Using a binomial series, the Maclaurin series for is:

Study Guide for Stewart's Multivariable Calculus, 8th

Find the effective rate corresponding to 1058%/year compounded monthly.

Finite Mathematics for the Managerial, Life, and Social Sciences

Sometimes, Always, or Never:
If c is a critical number, then fâ€²(c) = 0.

Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th

Describe and identify an example of the method of authority and explain its limitations.

Research Methods for the Behavioral Sciences (MindTap Course List)

Identify the appropriate statistical test for each of the following nonexperimental and quasi-experimental desi...

Research Methods for the Behavioral Sciences (MindTap Course List)

Self Check The length of a video screen is 21 feet shorter than its height. If the diagonal of the screen is 39...

College Algebra (MindTap Course List)

The flow rate in a device used for air quality measurement depends on the pressure drop x (inches of water) acr...

Introduction To Statistics And Data Analysis

Finding an Indefinite Integral In Exercises 3-22, find the indefinite integral. 11(x+1)2dx

Calculus (MindTap Course List)

For each of the values in the following table, the true value and measured value are given. Determine the absol...

Mathematics For Machine Technology

A tax preparation firm is interested in comparing the quality of work at two of its regional offices. The obser...

STATISTICS F/BUSINESS+ECONOMICS-TEXT

The admissions officer for Clearwater College developed the following estimated regression equation relating th...

Statistics for Business & Economics, Revised (MindTap Course List)

Power Series Solution In Exercises 3-6, use a power series to solve the differential equation. (x+2)y+y=0

Multivariable Calculus

In any sample space S, what is P() ?

Discrete Mathematics With Applications

Airline passengers arrive randomly and independently at the passenger-screening facilityat a major internationa...

Essentials Of Statistics For Business & Economics

TEST YOUR UNDERSTANDING | FOR EXAMPLE 4.11 A small dog will weigh 20pounds at adulthood. The following table sh...

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

In exercise 5, the following data on x = the number of defective parts found and y = the line speed (feet per m...

Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)

In problems 2126 slove the given initial-value problem. 21. (x + y)2 dx + (2xy + x2 1) dy = 0, y(1) = 1

A First Course in Differential Equations with Modeling Applications (MindTap Course List)

Answer the following questions using complete sentences and your own words. a. Under what conditions is a disju...

Mathematics: A Practical Odyssey

For the following exercises, for each polynomial, a. find the degree; b. find the zeros, if any; c. find the y ...

Calculus Volume 1

Sketching the Graph of an Equation In Exercises 15-18, complete the table. Use the resulting solution points to...

College Algebra