-(sinx*tanx)

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-(sinx*tanx)

Guest Feb 4, 2015

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Best Answer

+129894

+5

-(sinx*tanx) =

-sinx (sinx / cosx) =

-sin^2x / cosx =

[cos^2x - 1 ] / cosx =

1 - secx

CPhill Feb 4, 2015

1⁺⁰ Answers

+129894

+5

Best Answer

-(sinx*tanx) =

-sinx (sinx / cosx) =

-sin^2x / cosx =

[cos^2x - 1 ] / cosx =

1 - secx

CPhill Feb 4, 2015

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