Prove that the first expression below is equal to the one after it?

Question

#1-cos^2 theta#
#tan^2 theta#

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Answer 1 · 2018-03-31T23:36:07

The expressions are not equal.

These two expressions are not equal.

Recall the identity

#sin^2theta+cos^2theta=1#

This identity tells us that

#1-cos^2theta=sin^2theta#

#1-cos^2theta ne tan^2theta#