a sin arctan b+1 Let a and b are some positive numbers. Find in terms of a and b.

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A: Given : z=2cos5π24+isin5π24 de moivre's theorem: If z=rcosθ+isinθ then zn=rncosnθ+isinnθ.

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A: Topic = Derivative FALSE

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A: sin s =-12s=sin-1(12)s=7π6+2πn      ;    11π6+2πn

Q: Show sin 3A = 3 sin A cos²A - sin A.

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