In Exercises 47–62, use a sketch to find the exact value of each expression. 47. cos ( sin ) 49. tan( cos) 51. tan[sin (-})] 48. sin ( tan') 50. cot(sin-) 52. cos[sin (-)] 54. cos ( sin'}) 56. sec[ sin (-})] 58. tan[cos- (-})] 53. sin cos 55. sec[ sin (-})] 57. tan[cos-(-})] 59. csc cos 60. sec sin tan(-ctivate W Go to Settings 61. cos tan 62. sin

Q: Prove that (sin^(2)B-tan^(2)B)/(1-sec^(2)B)=sin^(2)B are identities

A: Given, sin2B-tan2B1-sec2B=sin2B Consider the left hand side. sin2B-tan2B1-sec2B

Q: Find sin(-theta)

A: Given,     sin θ  = -18

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: V3 Tan" (-V3) Cos"(-1) 3. Sin 2 1. 2.

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Q: EVALUATE: tan(sin-'(cos(플) + sin(플)) s-'(tan(-주)) + cos

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Q: sin 0(1 + tan 0) tan 0(sin0 +cos0)

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Q: prove identity cos^4 (A) -sin^4 (A) = 1 - 2 sin^2(A)

A: