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    Trigonometric equations

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    Use factoring, the quadratic formula, or identities to solve the following equations:

    25 sin x cos x-5 sin x +20 cos x = 4

    cos^2 x + 5 cos x=1

    cos 2x + sin x =1

    © BrainMass Inc. brainmass.com December 24, 2021, 6:23 pm ad1c9bdddf
    https://brainmass.com/math/basic-algebra/example-trigonometric-equation-problems-110161

    Solution Summary

    This provides examples of solving trigonometric equations.

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