Question: Answer B please :) Problem 2: [25 pts] Consider the integral / sin' (x) dx. A. [4 pts] Explain why setting u = sin(x) or

Answer B please :)

Problem 2: [25 pts] Consider the integral / sin' (x) dx. A. [4 pts] Explain why setting u = sin(x) or u = cos(x) would not be an effective strategy to evaluate this integral. B. [5 pts] Evaluate this integral by writing sin* (x) = [sin?(x)] , then using the identity sin?(x) = - 2 7 COS ( 2x ) . Simplify your final answer. Hint: The identity cos? (x) - , + , cos(2x) will be also be useful

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