+0  
 
0
720
1
avatar
(csc^2 x - cot^2 x)/(1 + tan^2 x ) = cos^2 x
 Feb 26, 2014
 #1
avatar+118725 
0
Zezimama:

(csc^2 x - cot^2 x)/(1 + tan^2 x ) = cos^2 x



Hi Zezimama,
Here you go
140227 Prove Trig Identity.JPG
 Feb 26, 2014

1 Online Users

avatar