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2 November, 13:41

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

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  1. 2 November, 13:56
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    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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