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    Trigonometry

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    Solve the equation for solutions in the interval [0, 360).
    cos 2x= √3/2

    Which is the correct answer?

    x = 15, 165, 195, 345
    x = 30, 90, 150, 270
    x = 0, 120, 180, 240
    x = 105, 165, 285, 345.

    © BrainMass Inc. brainmass.com February 24, 2021, 2:34 pm ad1c9bdddf
    https://brainmass.com/math/trigonometry/solving-trigonometry-equation-29588

    Solution Summary

    The solution shows how to solve a trigonometric equation involving cosine and square roots.

    $2.19

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