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December 20, 2014

Homework Help: Math

Posted by hhfo on Tuesday, July 26, 2011 at 7:30am.

Trigonometry Identities problem:

Prove the following;

(tan^2x)(cos^2x)
=
(sec^2x - 1)(1-sin^4x) ÷ (1+sin^2x)

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