In Exercises 13-24, find the exact value of each expression. 13. sin(45° – 30°) 14. sin(60° – 45°) 15. sin 105° 16. sin 75° 17. cos(135° + 30°) 18. cos(240° + 45°) 19. cos 75° 20. cos 105° 21. tan 22. tan .3 4 4 23. tan 3 24. tan 3 4 4

Q: tan(sin-14/5+cos-11)

A: The given trigonometric expression is

Q: Find sin x/2, cos x/2, and tan x/2 from the given information. csc x = 8,   90° < x < 180

A: Given cscx=8 ,where 90°&lt;x&lt;180°. Here, x lies in 2nd quadrant, so sinx will be positive but…

Q: In Exercises 81–86, use words to describe the formula for each of the following: 81. the cosine of…

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

Q: If  cos ⁡ x = A ,  cos ⁡ y = B ,  sin ⁡ x = C  and  sin ⁡ y = D ,  find an expression for  sin ⁡ ( 2…

A: Given , cos X=A , cos Y=B , sin X=C , sin Y=D To Evaluate , sin 2x+y

Q: Give exact, simplified answers. sin - csc - sin 240° = tan T cos 12 sin (-4) sin - lan '(부) - tan…

A:

Q: What is tan(30°)? 30° V5 3 tan(30°) [?]V[ ]

A: NOTE: Refresh your page if you can't see any equations. . here the given angle is adjacent side=…

Q: Compute the exact value of 11-TI tan 12 Answer:

A: Here, we need to find the exact value of tan11π12. So,…

Q: Find the exact value of tan (75°). Hint: 75° = 45° + 30° %3D .

A:

Q: Identify the value that is equivalent to sir O sin 28 O cos 28 O cos 118 O sin 118

A:

Q: Simplify the following. tan 22.5° 1 - tan? 22.5°

A:

Q: Find the exact value of tan 15°. 9, 4 2-3 ) 2+ 3 2.

A: We have to find exact value of the trigonometric function: tan 15° Rewriting the given expression,…

Q: In Exercises 47–62, use a sketch to find the exact value of each expression. 47. cos ( sin ) 49.…

A:

Q: In Exercises 32-35, find the exact value of each expression. Do not use a calculator. 32. sin + tan"…

A: The exact value of trigonometric functions can be calculated by using trigonometric ratios . We can…

Q: tan(20) = V3 Choose the correct answer

A:

Q: If sin-1 (sin π/3) = π/3, is sin-1 (sin 5π/6) = 5π/6? Explain your answer.

A: It is given that sin-1sinπ3=π3.

Q: Use the information sin α = 3/5, π/2 &lt; α &lt; π and sin β = - 12/13, π &lt; β &lt; 3π/2.. Find…

A: Given that sinα=35 and sinβ=-1213 So cosα=-1-sin2α=-1-925=-45       since…

Q: 3+ cos 30 de 1 sec – tan 5 5 16+ 02

A:

Q: In Exercises 43–48, find the exact value of each expression. Do not use a calculator. tan 3 1 43.…

A:

Q: tan 51° cos 34°

A: see 2nd step

Q: In Exercises 31–46, find the exact value of each expression, if possible. Do not use a calculator.…

A: Solution:Given31. sin (sin-10.9)32. cos(cos-10.57)33.sin-1sinπ3Formula:sin(sin-1x)=xcos(cos-1x)=x

Q: tan 12 +tan 12 cos 24 +cos 24 +csc' 30

A:

Q: Evaluate tan? 60 - 2 tan 45- cot 30 + 2 sin 30 3/2 O 1/2 O 3/2

A: The given expression,tan2 60-2tan2 45-cot2 30+2sin2 30

Q: Verify the identity: (tan2 θ + 1)(cos2 θ + 1) = tan2 θ + 2

A:

Q: In Exercises 19-30, use a calculator to find the value of each expression rounded to two decimal…

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

Q: Determine whether the statement, "I expressed cos 47° + cos 59° as 2 cos 53° cos 6°." makes sense or…

A: we know that cosC+cosD=2cosC+D2cosC-D2

Q: For Exercises 37-40, verify that the equation is an identity. (See Example 4) 37. sin(-x) + cscx =…

A: To verify:sin(-x)+cscx=cotxcosx Solution: Considering, LHS sin(-x)+cscx On simplifying further we…

Q: 4 Evaluate tan sin

A:

Q: Rewrite tan sin" as an algebraic expression in v. 9+v tan sin 9 + v ?

A: To rewrite the below expression as an algebraic expression in v.

Q: Find the value of tan sin 2 3 3 O-5

A:

Q: Find sin a. (-/5 ,2) [ ?] 1

A:

Q: Find the exact value of the expression tan (4π/3 - π/4).

A: Trigonometry:      tan(4π3-π4)We know     tan(a-b)=tana-tanb1+tan a tan b

Q: #6 Find the exact value. tan265° – tan55° 1+ tan 265° tan 55°

A: As per bartleby expert policy, only first individual question is to be answered. I am answering 6…

Q: Prove tan ? 20° + tan ? 40° + tan ? 80° = 33.

A:

Q: Find the exact value of the expression. 9. 8 sin sin ~1 cos 41 17 8 sin sin -1 Cos - 41 17

A: Question is solved.

Q: Find the values in Exercises 9–11. 9. sin(cos-1(sqrt(2)/2)) 10. sec(cos-1( 1/2)). 11. tan(sin-1(-1/…

A: Find the value of

Q: Find the values in Exercises 9–12. 9. sin(cos "() (E-). (ar (-) (cur ) 10. sec( cos 2 /3 11. tan (…

A:

Q: What is the value of sin 0, if tan 0 =-and csc 0 < 0?

A:

Q: DO NOT use a calculator to answer this question. Show ALL calculations. 3.1 Prove that : tan 480°.…

A: We will solve the following

Q: To prove cos (-u) csc (-u) tan (-u) = 1, which of the following is correct as a first step? a. cos…

A: cos-u csc-u tan-u=1

Q: Find the exact value of tan 15°. 4 2- 2+

A: Find the exact value of tan(15°)

Q: using your calculator, determine sin2 + cos3 – tan4.

A: Givensin2+cos3-tan4

Q: 4. Which expression equals 0? sin 50° tan 50° cos 50° O tan 50° – cot 50° tan 50° + sin 50° cos 50°…

A:

Q: sinθ

A:

Q: tan 20° – cos 20° cos 70°

A:

Q: 2. Verify that each equation is an identity.  (a) cos2Θ = 2 - sec^2Θ/sec^2Θ.

A: Since you have asked multiple questions in single request  so we  will be answering only first…

Q: 1. tan 150° 2.csc O° 3. COS 4. Sin 225

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Suppose that tanɑ=-- and 90°<a<180°. 3 Find the exact values of cos and tan 2 2 cos Undefined 2 ? a…

A: Using trigometric ratios

Q: 6. Evaluate the expression sin cos (77)) 11 tan sin (sin-¹ (²-3)) 13,

A:

Q: Divide. Leave your answer in trigonometric form. 21(cos 47° + i sin 47°) 14(cos 25° + i sin 25°)…

A: Solution of question as follows