If cosy = xcos(a + y), then (\frac{dy}{dx}) = | Mathematics | SolveeIt

If cosy = xcos(a + y), then $\frac{dy}{dx}$ =

$\frac{cos² (a + y)}{sin a}$

$\frac{sin² (a + y)}{sin a}$

$\frac{cos² (a + y)}{cos a}$

$\frac{sin² (a + y)}{cos a}$

Answer

$\frac{cos² (a + y)}{sin a}$

Explanation

The correct option is (A): $\frac{cos² (a + y)}{sin a}$

Mathematics Question on Derivatives