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How do you find $sec x = - 5$ $sec x = -5$ using a calculator?

1 Answer

Jun 28, 2015

Find sec x = -5

Explanation:

sec x = 1/cos x = -5 -> cos x = -1/5

Calculator gives cos x = - 0.20 --> $x = \pm 101.54$ $x = +- 101.54$

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