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Mathematics, 05.05.2020 03:23 loredobrooke5245

Angle x is a third quadrant angle such that cos x = -1/5.

What is the exact value of cos (x/2)?

Enter your answer, in simplest radical form, in the box.

cos (x/2) = ___

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Angle x is a third quadrant angle such that cos x = -1/5.

What is the exact value of cos...

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