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How do you simplify $sec (x) cos (x)$ $sec(x) cos(x)$ ?

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Jul 22, 2015

$sec x = \frac{1}{cos x}$ $secx = 1/cosx$

Thus, $sec x cos x = 1$ $secxcosx = 1$

If $cos x = \frac{A}{H}$ $cosx = A/H$ , then $sec x = \frac{H}{A}$ $secx = H/A$

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