(co()- tan 2 (e) Find the exact value of the sin Cos

Q: Find the exact value of sin 80° cos 20° - cos 80° sin 20°.

A: Use the identity sina-b=sin a·cos b-cos a·sin b.

Q: Find the exact value of: sin-1 1

A: Given: sin-11

Q: Find the exact values: 1. tan tan ((-(square root of 3)/2)) 2. cos cos ((-8/15)) 3. sin sin…

A:

Q: Verify the identity. cos3 x sin2 x = (sin2 x − sin4 x)cos x

A:

Q: Find cos θ if  sin θ =  1 2  and θ terminates in QII.

A: Assume sinθ=12⇒θ=sin12-1⇒θ=30° , 150°

Q: Find the algebraic expression that is equal to sin(-0)sec(-0)cot(-0). sec(-0) csc(-0) cos(-0)

A:

Q: 8. Find the exact value of 2 sin (tan-1 ()

A: Let's find.

Q: Suppose cosx=-1/3, 0<x<pi. Find the exact value of tan(x/2).

A:

Q: Verify the identity.

A: Given: verify the identity tanx21+cosx=sinx for verifying given identity, we solve left hand side

Q: Find the exact value of sin(π/4)

A: sin (π/4)=1/√2. see 2nd step .

Q: Find a value of x that satisfies the equation sin 20° cos (x). Submit

A:

Q: arctan[2 cos(³)] is equal to: COS

A: Given that the expression arctan2cos32. Find the value of arctan2cos32.

Q: Suppose that cos a cos tan Find the exact values of cos and tan 2 2 a 2 0 > ܐ 0 2 13 and <a< ત Unde

A: Given that, cosα=-213 and π2&lt;α&lt;π Find the value of cosα2 and tanα2. Here we use the formulas:…

Q: Prove the identity. COS x+ 2 = tanx C. cos (+x)

A: Some common trignometry identies are :Sinπ2+x = Cos xCosπ2-x = +Sin xCosπ2+x = -Sin xtanπ2+x = -Cot…

Q: Verify the identity: tan(-x)cos x = -sin x

A: To verify:      tan(-x)cos x = -sin x We will start from LHS and will try to get RHS.

Q: value of cos x is given. Find sin x and 3T xET, 15 X= 17'

A:

Q: Find a value of x that satisfies the equation sin (-13°) = cos (x). %3D Submit

A: To find the value of x

Q: Use trigonometric identities to solve cos(2θ)−cos(θ)=0 exactly for 0∘≤θ&lt;360∘

A: Given equation,

Q: 1. sin' ( 1/ 2)

A: Note: Since you have posted multiple questions we will solve the first question for you. If you want…

Q: Find the exact value of sin-1 √3/ 2.

A: The given inverse trigonometric function is sin-132  , Consider sin-132  =θ⇒32 =sinθ⇒sinθ=32

Q: Suppose tan x = -4 , where < x < n. Find the exact value of sin(2x).

A: see 2nd step.

Q: Find a value of x that satisfies the equation sin (-11°) = cos (x). %3D Submit

A: We have to find x

Q: If sin θ =1/4 and 0 ≤ θ ≤π/2 (a) determine the EXACT value of cos2θ (b) determine the EXACT value…

A: Solution

Q: If cos θ = - 3/5 and tan θ < 0, find the remaining five trig functions of θ, in exact, simplified…

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Q: find the exact value of cos(tan-1  (8/15))

A: Given:

Q: Verify the identity. tan (-x) cos x= - sin x

A: This question is based on Trignometric function.

Q: Verify the identity. tan (-x) cos X - sin x

A:

Q: Verify the identity. sin(-x)+cos(-x) = − sin x + cos x

A:

Q: (8) Find the exact value of cos(tan-1(14/3)) by sketching the appropriate right triangle.

A: Given, cos(tan-1(14/3)) = ?

Q: 9. Find the exact value of sin

A: To find the exact value od sin(pi/12)

Q: Verify the identity: sin(α + β) sin(α - β) = cos2 β - cos2 α

A:

Q: Find a value of x that satisfies the equation sin 69° = cos (x). Submit

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Q: Suppose that sin 0 = and 5 %3D - Find the exact values of cos and tan - 3.

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Q: If tan(x)=12/11(in Quadrant-I), find cos(2x)=

A:

Q: What is the exact value of cos (tan ¹(-1)) 2 -? sin cos 08-¹(- +/-))

A: We have to find the exact value of costan-1-1sincos-1-32.

Q: 1- (sin (Cos(2x)+Cos (sinc2x)

A: Given derivative

Q: Determine the exact value of csc ( cos-1) – cos (tan-) COs-1 COS 8. |

A: find the exact value in the following way:-

Q: tan 0 = - 3 and cos > 0, find the exact value of sin 0.

A:

Q: Find the exact value of sin-1 (-√2/ 2).

A:

Q: sin(ø) = 2 3 and <0. Given that <0< what is the exact value of cos(20)?

A: Here, given that sin θ=23; π2&lt;θ&lt;π That is θ is in the second quadrant. Therefore, cos…

Q: Verify: cos? x tan? x- 1 1. -1 cos2 x

A:

Q: 5) Find the exact value of cos [tan--si sin-" (-): 12

A:

Q: given tanx= -3/4 and 0*<x<180* , find the exact value of cos(x/2)

A: To solve the following problem

Q: The exact value of tan COS -11 Cos 2 is: 2 1

A: to find the exact value of tancos-112

Q: Verify the identity: tan θ = (1 - cos 2θ)/sin 2θ..

A: Given, tanθ=1-cos2θsin2θ