(1+sinΘ)?

asked Jul 12, 2016 48.3k views

4 votes

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3 votes

$((1-cosx)(1+cosx))/((1-sinx)(1+sinx)) \\ \\ (1-cos^2x)/(1-sin^2x) \\ \\ (sin^2x)/(cos^2x) \\ \\ tan^2x$

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