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How to find the value of ${sec 315.6}^{\circ}$ $sec 315.6^@$ ?

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May 21, 2015

$sec 315.6 = \frac{1}{cos 315.6}$ $sec 315.6 = 1/cos 315.6$

Calculator gives: cos 315.6 (Quadrant IV) = 0.714

$sec 315.6 = \frac{1}{0.714} = 1.40$ $sec 315.6 = 1/0.714 = 1.40$

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