Question

Find the derivatives of
$\sin (x+1)$

Answer 1

Let $y=\sin (x+1)$

$\frac{dy}{dx}=\cos (x+1)\frac{d}{dx}(x+1)$

$\frac{dy}{dx}=\cos (x+1)\left(1\right)$

$\frac{dy}{dx}=\cos (x+1)$