Posted by **Christina** on Monday, November 7, 2011 at 4:59pm.

Suppose f(pi/3) = 3 and f '(pi/3) = −7,

and let g(x) = f(x) sin x and

h(x) = (cos x)/f(x). Find the following.

a. g'(pi/3)

b. h'(pi/3)

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