# Is Quotient Rule Avoidable?

Calculus Level 3

$\large y= \frac{\cos 6x + 6\cos 4x + 15\cos 2x + 10}{\cos 5x + 5\cos 3x + 10\cos x}$

If $$y$$ is defined as above, what is $$\dfrac{dy}{dx}$$?

×