Suppose that f\!\left(\frac{\pi}{2}\right)=-4 and f'\!\left(\frac{\pi}{2}\right)=3, and let g(x) = f(x) \sin x and \displaystyle h(x) = \frac{\cos x}{f(x)}. Answer the following questions.

** 1. ** Find g'(\pi/2).

Answer:g'(\pi/2) =

Answer:

** 2. ** Find

Answer:

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