Question: (a) If f(x) = 2 cos x + sin2x, find f(x) and f(x). (b) Check to see that your answers to part (a) are reasonable

(a) If f(x) = 2 cos x + sin2x, find f’(x) and f’’(x).
(b) Check to see that your answers to part (a) are reasonable by comparing the graphs of f, f’ and f’’

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