Which of the following expressions are equivalent to cos(20), tan(0) Choose all answers that are correct. cos (30)+cos(0) 2 sin(@) O cos (0) – cos(0) sin?(0) cos (0) sin(0) - cos(8) sin(0) O --\frac{sin^3(\theta)}{\cos(\theta)}-\cos(\theta)\sin(\theta)$ O 2 cos? 0

Q: -p² sin(w) cos?(w) – p cos² (») -p2 sin(4).

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Q: cos\theta =(1)/(3)and \theta  is in quadrant IV, then cos(\theta )/(2)

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Q: how to verify (1-2cos^2x)/(1-2cosxsinx) = (sinx+cosx)/(sinx-cosx)

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Q: which of the following expressions is equivalent to: 3cot^2(t)/csc(t)   a. 3-3cos^2(t)/cos(t) b.…

A: This question is related to trignometry, We will solve it using trignometric identities.

Q: (1+sin2x)/(sin2x)=1+(1/2)(sec x)(csc x) prove identity

A: Left hand side:1+sin(2x)sin(2x)=1sin(2x)+sin(2x)sin(2x)=1sin(2x)+1=12sin(x)cos(x)+1  [using double…

Q: Write an algebraic formula for sin[(sin^-1(u)-cos^-1 (v)]

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Q: Express cos (a) in terms of cos(2a). Express sin (a) in terms of cos(2a). cos² (a) COS sin (a)

A: (a) We have to express cos2α in terms of cos2α.

Q: 5(a) Is 1+tant=sint(csct+sect)TRUE for all values of t? If YES, prove the identity. Otherwise,…

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Q: (cos A + sin A)/(cos A - sin A) = (1+ sin(2A))/ cos(2A)

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Q: Find the exact value of cos2\theta if sin2\theta =(3)/(4) and \theta is between 0\deg and 90\deg .

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Q: prove (sin4x-sin2x) / (cos4x-cos2x)   How do I prove (sin4x-sin2x)/(cos4x-cos2x) = cotx.

A: let  A=sin4x-sin2xcos4x-cos2xformula used is…

Q: Find an algebraic formula for cos (tan-1 u + sin¬1 v), then use that formula to 1 compute cos…

A: given function ,  costan-1 u + sin-1 v  ..........................eq.(1) now we have to find an…

Q: Prove the identity on a separate sheet of paper. tan 0+ sin 0 COS cos 2. 2 tan 0

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Q: Find the value of sin(sin-1((3)/(5))+tan-1((7)/(24))) without using a calculator (use angle sum or…

A: Please refer to the image below

Q: ) cos(cos-¹(35)) ) sec(tan-¹(5)) csc(sin-¹(n)) ) cos ¹(cos(29°)) (4π) 5 =) sin ¹[sin ]]

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Q: Verify the identity. (1 - sin (t) + 6 cos (t))2 + 49 sin2(t) cos2(t) = 49 cos (t) %3D (1 - sin?(t) +…

A: we know   ,                Sin2( t )+ cos2(t) = 1    implie ,  1 -  Sin2(t) =  cos2(t)

Q: Use the cofunction identities to select the correct answer which fills in the blank. cos(10x) = sin_…

A: We know that, sin(90°+x) = cos(x) sin(90°-x) = cos(x)