marygailbowen6325 marygailbowen6325

21-05-2018
Mathematics

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How do I find the value of sec pi/12?

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Lever85 Lever85

21-05-2018

Sec x = 1/Cosx

Pi radians = 180 degress

Pi/12 = 180/12 = 15 degrees.

Sec15° = 1/Cos15°

Sec pi/12 = Sec 15° = 1/Cos 15°

Cos 15° = 0.9659 using a calculator.

Sec pi/12 = Sec 15° = 1/Cos 15° = 1/0.9659 = 1.0353

Sec Pi/12 = 1.0353

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