7. Evaluate sin(cos-¹(3))

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Q: 6. 2/10 2.

A: Solved below...

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Q: Rewrite the expression cos (0) without using any powers of sin or cos.

A: We have to rewrite the expression cos4( θ) without using the powers of sin or cos .

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Q: 6. (a) 2 cos?t (b) 3 sin 2x

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Q: sin(3r) dr.

A: Given integral is,

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Q: Evaluate tan (cos-¹(-3)) 5

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

A: Givensin2+cos3-tan4

Q: -1 1

A: Given that cos(arcsin(-1))   we know that arcsin(-1) equal to π/2 or 3π/2

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