Question

Find $\frac{dy}{dx}$ :

$\sin x+\cos y=5x+4$

Answer 1

$\sin x+\cos y=5x+4$

$\cos x-siny\frac{dy}{dx}=5$

$\sin y\frac{dy}{dx}=\cos x-5$

$\frac{dy}{dx}=\frac{\cos x-5}{\sin y}$