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Math Help - [SOLVED] simple trigonometric equation

  1. #1
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    [SOLVED] simple trigonometric equation

     cos^2 x = 1/16

    I worked 4 solutions out to be 76, 104, 256 and 294 degrees. Are these correct?
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  2. #2
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    Hello, db5vry!

    If they are limited to the interval (0, 360) and rounded to the nearest whole degree,

    . . yes . . . they're correct!

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