BuyFind*arrow_forward*

7th Edition

Alexander + 2 others

Publisher: Cengage,

ISBN: 9781337614085

Chapter 11.3, Problem 21E

Textbook Problem

*In Exercises 21 to 26, use the sine, cosine, or tangent ratio to find the indicated angle measures to the nearest degree.*

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 Evaluate the expression sin Exercises 116. (32)3

Applied Calculus

(a) Show that cos(x2) cos x for 0 x 1. (b) Deduce that 0/6cos(x2)dx12.

Calculus: Early Transcendentals

Gender differences in dream content are well documented (see Winget Kramer, 1979). Suppose a researcher studie...

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

Use the Ratio Test to determine whether the series is convergent or divergent. n=1n!100n

Calculus (MindTap Course List)

Checkpoint 3 Worked-out solution available at LarsonAppliedCalculus.com Find the slopes of the graph of f(x)=x3...

Calculus: An Applied Approach (MindTap Course List)

For Problems 15-20, use the specified number of classes to do the following. (a) Find the class width. (b) Make...

Understanding Basic Statistics

Use transformations to sketch the graph of the function. 14. y=1x1

Single Variable Calculus

If xy + ey = e, find the value of y at the point where x = 0.

Single Variable Calculus: Early Transcendentals, Volume I

In Problems 15-18, at the indicated points, find
(a) the slope of the tangent to the curve.
(b) the instantaneo...

Mathematical Applications for the Management, Life, and Social Sciences

During the week, the price of a stock recorded the following gains and losses: Monday lost 1.25, Tuesday lost 0...

Intermediate Algebra

Convert each expression in Exercises 25-50 into its technology formula equivalent as in the table in the text. ...

Finite Mathematics and Applied Calculus (MindTap Course List)

A Cut Cylinder In this problem we prove that when a cylinder is cut by a plane, an ellipse is formed. An archit...

Precalculus: Mathematics for Calculus (Standalone Book)

Applying the First Derivative Test In Exercises 23-56, (a) find the critical numbers of f, if any, (b) find the...

Calculus: Early Transcendental Functions

19. For the following scores, find the value of each expression: X 3 2 5 1 3 X2 (X)2 (X1) (X1)2

Statistics for The Behavioral Sciences (MindTap Course List)

Fill in the blanks. 2. a. The point P(a, 0) lies on the _____ -axis, and the point P(0, b) lies on the ______ -...

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

In Exercises 61 and 62, show that the given set is an infinite set. 61. A = {6,10,14, 18,Ã¢â‚¬Â¦Ã¢â‚¬Â¦ 4n + 2,...} 62....

Mathematical Excursions (MindTap Course List)

SOC A researcher has gathered information from a random sample of 178 households. For each of the following var...

Essentials Of Statistics

The article Determination of Most Representative Subdivision" (J. of Energy Engr.. 1993: 43-55) gave data on va...

Probability and Statistics for Engineering and the Sciences

Oil is changed in three automobiles. They hold 412 qt, 414 qt, and 438 qt. How much total oil is used?

Elementary Technical Mathematics

Convert each expression in Exercises 25-50 into its technology formula equivalent as in the table in the text. ...

Finite Mathematics

(a) Eliminate the parameter to find a Cartesian equation of the curve. (b) Sketch the curve and indicate with a...

Multivariable Calculus

Graphical, Numerical, and Analytic Analysis In Exercises 75-82, use a graphing utility to graph the function an...

Calculus of a Single Variable

25. Find the center of the octic group .

Elements Of Modern Algebra

A model for the velocity of a falling object after time t is v(t)=mgktanh(tgkm) where m is the mass of the obje...

Single Variable Calculus: Early Transcendentals

Use your calculator to find sin and cos if the point (9.36, 7.02) is on the terminal side of .

Trigonometry (MindTap Course List)

Use the combined wage bracket tables. Exhibits 9-3 and 9-4, for Exercises 16 and 17. How much combined lax shou...

Contemporary Mathematics for Business & Consumers

An iterated integral for the volume of the solid under z = x2 + y2 and above the shaded region D is:

Study Guide for Stewart's Multivariable Calculus, 8th

a. What is a function? Give an example. b. What is a linear function? Give an example. c. What is the domain of...

Finite Mathematics for the Managerial, Life, and Social Sciences

Evaluate dx using the Fundamental Theorem of Calculus.
a) 7
b) 9
c)
d) 18

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

DistanceDescribe what happens to the distance between the directrix and the center of an ellipse when the foci ...

Calculus: Early Transcendental Functions (MindTap Course List)

What is the general purpose of a manipulation check?

Research Methods for the Behavioral Sciences (MindTap Course List)

Describe the general characteristics of the case study design, identity the different situations for which this...

Research Methods for the Behavioral Sciences (MindTap Course List)

The Wall Street Journal reported that the age at first startup for 55% of entrepreneurs was 29 years of age or ...

STATISTICS F/BUSINESS+ECONOMICS-TEXT

The U.S. Census Bureau tracks the median price for new home sales by month of year. The median prices for April...

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

Solve for the unknown values in the following equations. 6(2.5x)+5x=80

Mathematics For Machine Technology

Maximum RevenueA company manufactures two type of bicycles, a racing bicycle and a mountain bicycle. The total ...

Multivariable Calculus

Suppose that x has a binomial distribution with n = 50 and p = 0.6, so that = np = 30 and =np(1p)=3.464. Appro...

Introduction To Statistics And Data Analysis

Find two functions fand g such that hx can be expressed as the function indicated. Several answers are possible...

College Algebra (MindTap Course List)

Area In Exercises 29-32, use a line integral to find the area of the region R. R: region bounded by the graphs ...

Calculus (MindTap Course List)

In 18 and 19, indicate how many binary digits are needed to represent the numbers in binary notation. Use the m...

Discrete Mathematics With Applications

8. The following data were collected by counting the number of operating rooms in use atÂ Tampa General Hospital...

Essentials Of Statistics For Business & Economics

An Amortization Table Suppose you borrow P dollars at a monthly interest rate of r as a decimal and wish to pay...

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

The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older ...

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

In Exercises 1-14, use this information: A jar on your desk contains twelve black, eight red, ten yellow, and f...

Mathematics: A Practical Odyssey

In Problems 3564 solve the given differential equation by undetermined coefficients. 38. y+2y+y=10

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

Using a Graphing Utility In Exercises 87-90, use the matrix capabilities of a graphing utility to solve the sys...

College Algebra