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