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TRIGONOMETRIC IDENTITIES?

0 votes

tan^2x/(secx+1 )= (1-cosx)/cosx
Help please I'm confused on how to solve this.

Thanks

trigonometric-identities

asked Jul 21, 2014 in TRIGONOMETRY by anonymous

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1 Answer

0 votes

LHS

Multiply and divide by the conjugate of denominator.

= RHS

Therefore tan^2x/(secx+1) = (1-cosx)/cosx.

answered Jul 21, 2014 by joly Scholar

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