Find the exact values of sin 20 and cos 20 for cos 0= 3 on the interval 0° s es 90°. 18 35 cos 28- 17 Sin 20- 18 18 35 O sın 20= 17 Cos 20= -. 18 18 sin 20-0.3287, cos 20= -0.9444 W35 cos 20= sin 28= 103 18 128

Q: 15 Suppose that tan ɑ = and 90° <a < 180°. 8 Find the exact values of cos 5 and tan-

A: Given, tanα =-158, 90°&lt;α&lt;180°

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Q: Value of L is 16 $3+9s 16 O(1 + sin 31) 16 O (1 + cos 3t) 16 (1+ cos 3t) 3 (1 - cos 3t)

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Q: Find the exact value of cos(2θ)cos(2θ) given cscθ=8/55cscθ=8/5 and 0<θ<π20<θ<π2

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Q: 5) Find the exact value of sin 80° cos 290°- cos 80° sin 290°

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A: given: sinu=35 sinv=45 and u and v are between 0 and π2. we have to evaluate cos(u-v)

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Q: Q2/ Evaluate the following: 1- Prove sin 2x+cos2x+1 sin 2x-cos 2x+1 cot x 2- Sinh (u-v) = Sinh…

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Q: Find the exact value of the following 1.) sin30° + csc60° 2.) 5sec 30 an60° 3.) 3sin45° + 4cos45°…

A: Given :   Trigonometry value

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Q: 8 and x terminates in guadrant III. 15 Find sin 2x, cos 2x, and tan 2x if tanx= sin 2x %3D cos 2x…

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Q: Find the exact values of the following and show your Solution. 1. cos 585° 2. csc 600° 3. sec…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: If cos(0)=−7/11 and 0 is in quadrant II , then find (a) tan(0)cot(0)= 1 (b) csc(0)tan(0)= −11/7​…

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Q: 3 Find sin 2x, cos 2x, and tan 2x if sin x= and x terminates in quadrant 5 sin 2x ? cos 2x %3D tan…

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Q: Give the EXACT values for the quantities. (a) sin 19π/4 = (b) cos −14π/3 = (c) cos −5π/6

A: Note: - Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: Find the exaet values of sin 20 and cos 20 for cos 0= 3 on the interval 0° ses 90°. 18 V35 17 cos…

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Q: 4. Find the exact value of cos(83°) cos(23°) + sin(83°) sin(23⁰)

A: As per rule of bartleby we can solve only one question at a time and we can solve only three subpart…

Q: the exact value   Cos θ= 3/5, 0<θ<π/2 a. Sin (2θ)= b. Cos(2θ)

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Q: Find the exact value of cos(α − β) if α and β both lie in the first quadrant, and sin α = 12/13 and…

A: Since you have asked multiple questions in a single request, we would be answering only the first…

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Q: Find the exact values of sin 20 and cos 20 for cos 0= on the interval 0° <e5 90°. O sin 20- 0.7744,…

A: We know that, sinθ=1-cos2θ           ⋯⋯1sin2θ=2sinθ·cosθ         ⋯⋯2cos2θ=2cos2θ-1             ⋯⋯3…

Q: 1 Show that sin e 8 cos (20) + 2 cos (40).

A: We need to show that, sin4θ=38-12cos2θ+18cos4θ

Q: 3 Show that sin' 0 cos“ 0 1 1 cos (40) + 32 cos 128 cos ( 80). 128

A: To prove that,           sin4θcos4θ=3128-132cos4θ+1128cos8θ

Q: snip

A: cos1°+cos2°+cos3°+---+cos358°+cos359°

Q: If cos 0 = 0.9, find the value of cos 0 + cos (0 + 2x) + cos (0 + 4x). cos 0 + cos (0 + 2n) + cos (0…

A: Given, cos θ=0.9

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Q: Which of the following is equivalent to cos (60° + 0 + sin(30° + 0)? cos 8 +V3 stn 0 cos e Option 1…

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Q: find exact value 197 8. (a) cos 6 (b) сos 6 (c) cos 6 9. (a) cos 4 (b) cos 4 (c) cos 4 10. (a) sin 4…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 1. If theta = arcsin(1/2) and 90deg < theta < 270deg, what is tan theta? 2. Find the value of…

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Q: uppose that sin(a) = 2/8 and cos(b) =1/9 define in the first quadrant, determine cos(a-b). (round to…

A: NOTE: Refresh your page if you can't see any equations. . here we have

Q: Find sin sin(), cos(2), and tan (2) from the given information. 24 cos(x) = 180° < X < 270° 25 sin()…

A: I have stated the used formulas in the solution.

Q: 8. 15 Use the figure above to find the exact value of sin 20, cos 20, tan 20. sin 20= cos 20= tan…

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Q: Find the exact value.. 1. Cos 70°cos40°+sin70°sin40° 2. Sin 7π/12 using the fact the 7π/12= π/3 +π/4

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Q: 1 Find the exact value of cos(20) if sin(0) O 3 7 9. /3 3 1/9

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Q: 9 Suppose that a cos x = 1 + sin x, where 0° < x < 90°. a a Prove that 1 = t, where t = tan x. a + 1…

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Q: cos 2(theta) if sin theta = 5/8

A: Here we have to find cosθ2 and cos2θ=? If sinθ=58 where 0≤θ≤π2

Q: 17. Choose the best answer. (- - ) Ifain ( - ). cos z and sin 3 find cos 2 2 1 2 V3 2

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Q: 94) Find the exact value Cos lutv) that 4=5 구 gven -3,4n Q1 and v in 03) tan and cos

A: Topic - trigonometric Identities

Q: Use the given information to find the exact function values of sin(2θ) and cos(2θ). (1) sinθ =…

A: (1) Consider the given trigonometric ratio in III-quadrant sinθ=-1213 First, find the value cosθ of…

Q: Which of the following is equivalent to cos (60° + 0) + sin(30° + 0)? cos 0 + v3 stn e cos e O…

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Q: 16. If 180° <0 <270° and cos (0) = then determine the exact values of sin(0) and tan(0).

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Q: /21 find the value of 5 3 - tan 0. cos 0 :15. Given that cos 0 =

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Q: uppose θ is in the interval ( π/2 , π) and sin(θ) = 1/5 . Evaluate the given quantities exactly, and…

A: sin θ = 15cos2 θ = 1 - sin2θcos2θ = 1 -(15)2 cos2θ = 1 -125cos2θ =2425cos θ = 265

Q: 1. Find the values of sin 20, cos 20 and tan 20, given: 9 3n a. tan 0 if n<0 < 40 2 3n b. sin 0 if <…

A: Giventanθ=940 ifπ&lt;θ&lt;3π2sinθ=-12 if 3π2&lt;θ&lt;2π.To findsin2θ, cos2 and tanθ