# Math Help - trigonomic identities

1. ## trigonomic identities

i cant seem to solve the following identity.
(1+sin2x)/cos2x = cos2x/(1-sin2x)
any help would be greatly appreciated

2. Originally Posted by rookster101
i cant seem to solve the following identity.
(1+sin2x)/cos2x = cos2x/(1-sin2x)
any help would be greatly appreciated
start by doing this to the left side ...

$\frac{1+\sin(2x)}{\cos(2x)} \cdot \frac{1-\sin(2x)}{1-\sin(2x)}$