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Prove the identity

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Prove the identity: (1-cos^2 x)(1-tan^2 x) = sin^2x - 2 sin^4x / 1- sin^2x?

trigonometric-identities

asked Apr 21, 2014 in ALGEBRA 2 by anonymous

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2 Answers

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= R. . H . S

L . H .S = R. . H . S

Therefore .

answered Apr 21, 2014 by friend Mentor

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The equation is .

L.H.S =

Pythagorean identity : .

= R.H.S.

answered Apr 21, 2014 by lilly Expert

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