# How does one verify #(cos^2x-sin^2x)/(1-tan^2x)=cos^2x#?

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#(cos^2x-sin^2x)/(1-tan^2x)=cos^2x#

I know that there are a few properties in here, but I don't know how the signs would effect them.

I know that there are a few properties in here, but I don't know how the signs would effect them.

##### 2 Answers

Apr 9, 2018

Image reference...

#### Explanation:

,

Apr 9, 2018

The given equation is,

LHS.

Hence Proved.! :)