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18-03-2014
Mathematics

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Write the following expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression.

sec x - cos x

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Аноним Аноним

18-03-2014

[tex]sec x - cos x = \frac{1}{cos x}-cos x=\frac{1-cos^2 x}{cos x}=\frac{sin^2 x}{cos x}=sin x * tan x[/tex]

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