Find the exact values of the following: 1. cos (90 ') 4. csc(180") (st)u 7. tan(45)

Q: Evaluate the following, without the use of a calculator: 25л csc 4 (4) tan cos 20 3

A:

Q: Find the exact value of sec 52° cos 308°

A: As value of cosθ and sinθ revolves around +1 to -1 , they take different values depending on the…

Q: Find the exact value. cos 6

A: To determine:

Q: 40 cos tan

A: Given, cos[tan-1(40/9)] The value of tan-1(40/9) = 77.31960

Q: Find the exact value of the given expression. cos(2 tan"())

A:

Q: Find the exact value of the given expression. co(2 tan-(승)) cos 2 tan

A:

Q: Find the exact value of the expression. 1) cos s-1

A: Given expression

Q: Give the EXACT values for the quantities. (a) sin 19 (b) cos (c) cos = COS

A:

Q: Find r to the nearest minute. a) sin x 0.242 %3D

A:

Q: Use a calculator to find 0 to the nearest tenth of the degree, if 0° < 0 < 360° and cos 0 = 0.5150…

A:

Q: cos 180 II

A:

Q: -1 valuate the following expression without using calculator : tan sin (³²) +cos 35 - 12

A:

Q: Find cos if sin u 0.154 and u is in Quadrant-I. () Cos Your answer should be accurate to 4 decimal…

A:

Q: Find sin(a + B) given that cos(a) = for a in quadrant IV and tan(8) = with 3 in quadrant I. %3D

A: Given - cos(α)=817  , tan(β)=512α lies in IV quadrant. , β lies in I quadrant. To find sin(α+β).…

Q: Find the exact expressions for sin 0, cos 0, and tan 0. m

A:

Q: If cos x=1/2 and x is in quadrant I, what is the exact value of cos 2x?

A:

Q: What is the value of cos^-1 (15/16) rounded to three decimals?

A: Here I am attaching image so that you understand each and every step.

Q: 1. If sin 0 =, find the exact value of the following, with <0<T. %3D а. Cos e

A: Given:          sin θ = 45,   π2≤θ≤π

Q: Find the exact value, without a calculator. sin 7n tan 12 %3D 6. Cos [?]+ D [ ]-O コ-T

A:

Q: Find the exact value of the given expression. tan cos-) 0.2425

A:

Q: Use the figure below to find the exact value for cos(30°). V3 1 60°

A: Solution: The objective is to find the required value

Q: cos (α − β);

A:

Q: ) Find the exact simplified value. A pu 13л cosG) 13л sin 18 COS COs -sin 18

A:

Q: Find cos 5, given that sin 1 and 0 <0< 90°. 4

A:

Q: Given that tan e 0.824, what is cos O? Round your answer to 3 decimal places.

A: Here we have to convert the tangent angle to cosine angle.   Solve the Pythagorean identity to…

Q: Find the exact value of csc 150°- 3 cos 240°.

A: Using Trigonometric identity

Q: snip

A: The given expression is cos-1-22

Q: Use a calculator to find the approximate value of: (a) cos 48° (b) csc 21° (c)tan π /12 Express your…

A: Given-  a cos 48°b csc 21°c tan π12 To Find-  The value of the above trigonometric expression using…

Q: Find the exact value: 4 where 5 sin 0 <0 < n. %3D Find: cos 20

A: topic -  trigonometry function

Q: TC 1. cos?+ sin² =

A: Given expression is cos2π3+sin2π3. To find to the exact value of the given expression. Solution:…

Q: Find the exact value of the following expression. TC a. sin 105° b. cos 750 C. tan 12 d. cos 12

A: Here we use half angle formula

Q: Find the exact value for which0 <t< 2n. cos-1(csc

A: The given expression is cos-1cscπ3. The domain of function y=cos-1(x) is -1, 1. So, the value cscπ3…

Q: Find the exact value. (a) sin( (b) arctan (-) (c) arccos (cos())

A:

Q: Use a calculator to find the value cos π/4 to four decimal places:

A: Given:cosπ4

Q: 0,

A:

Q: Which of the following represents the ratio for cos 0 ?

A: Given: (3,-23)

Q: Find the value for θθ in the following equation: sin(θ)=cos(28)

A:

Q: If sin A = 65 with 180° < AS 270°, find cos 2A and cos 65 Cos 2A = COS 2

A: To find the value of the following,

Q: Find sin e & cos 0 if given 7 and 90° <0<180°. 12 cos 20 = -

A:

Q: Evaluate the expression under the given conditions. tan(20); cos(0) = 0 in

A: Given  cos(θ)=35, θ in Quadrant I. We have to find the value of  tan(2θ).

Q: The voltage E in an electrical circuit is given by E = 1.3 cos 100 πt, where t is time measured in…

A: The expression of voltage (E) as a function of time is given below.E = 1.3∙cos(100∙π∙t)

Q: ] . Find cos(20). T Let sin(0) = ,with 0 E 0,

A: The basic formula used in this question is- Cos(2x)= 1-2sin2x

Q: Given that csc0 = 3.025. what is cos O? Round your answer to 3 decimal places.

A: csc θ = 3.025 hence sin θ = 13.025

Q: Find the exact (NO DECIMALS) value of value of sin e and cos e given cot e = -V24 and csc8 > sin 8=…

A:

Q: Find the exact value of the given expression. cos 2 tan

A: We have to find the exact value of the expression: cos2tan-1125 We know that cos2θ=1-tan2θ1+tan2θ…

Q: Find the value of y: y-(it cos 20) tan e

A:

Q: V3 Give the exact value of tan ( cos 2

A:

Q: Write 4 coS x sin x in the form R cos(x – a) with -T < a < T. Round to three decimal places.

A: Consider the given function.

Q: 12.y = sin(tanx) %3D

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: At what value(s) of x does cos(x) = 6x?

A: We have, cos x=6x To find the value of x, we shall find the root of a function  using…