What is the derivative of $π (cos (x))$ $pi(cos(x))$ ?

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Answer 1 · 2016-06-29T17:33:08

$\frac{d}{d x} (π (cos (x))) = - π sin x$ $d/(dx)(pi(cos(x)))=-pisinx$

As $π$ $pi$ is a constant

$\frac{d}{d x} (π (cos (x))) = π \frac{d}{d x} cos (x) = - π sin x$ $d/(dx)(pi(cos(x)))=pid/(dx)cos(x)=-pisinx$

What is the derivative of π(cos(x)) pi(cos(x))?