Answer to Question #120848 in Calculus for Ojugbele Daniel

Question

what is the limit of cosx-2sinx over cosx+2sinx as x approaches to π/2.

Answer 1

$\lim\limits_{x\to\frac{\pi}{2}}\frac{\cos x-2\sin x}{\cos x+2\sin x}=[\frac{0-2}{0+2}]=-1$