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tan(-x) cos(-x)

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tan(-x) cos(-x)

Guest Jun 12, 2015

Best Answer

+118703

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$tan(-x) cos(-x)=-tanxcosx=\frac{-sinx}{cosx}*cosx = -sinx$

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Melody Jun 12, 2015

1⁺⁰ Answers

+118703

+5

Best Answer

$tan(-x) cos(-x)=-tanxcosx=\frac{-sinx}{cosx}*cosx = -sinx$

Melody Jun 12, 2015

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