New user? Sign up

Existing user? Log in

$\large \csc^2 (a+b) - \sin^2 (b-a) + \sin^2 (2a-b) = \cos^2 (a-b)$

The equation above holds true for $0<a,b< \dfrac\pi2$. Find the value of $-\sin(a-b)$.

Problem Loading...

Note Loading...

Set Loading...