SOLUTION: How to find the identify? Sec^2(x) - sin^2(x) = cos^2(x) + tan^2(x)

SOLUTION: How to find the identify? Sec^2(x) - sin^2(x) = cos^2(x) + tan^2(x)

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Question 1023431: How to find the identify?
Sec^2(x) - sin^2(x) = cos^2(x) + tan^2(x)

Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
You meant: How to prove the identity, right?
We prove it this way.
Start with the identity
==>
==> , and the original identity is proved...
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