Question

ache a derrivada das funções
$- \pi /2$

Answer 1

Seja k = constante:

$\boxed{\boxed{\dfrac{d}{dx}k=0}}$

A derivada de constantes é zero.
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$f(x)=-\dfrac{\pi}{2}\\\\\\\dfrac{d}{dx}f(x)=\dfrac{d}{dx}\left(-\dfrac{\pi}{2}\right)\\\\\\\boxed{\boxed{f'(x)=0}}$