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Math Help - Solutions to Trigonometic Equation

  1. #1
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    Solutions to Trigonometic Equation

    Finding all exact solutions to the equation on [0, 2pi)

    2(cos^2)x + 3sinx = 3
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  2. #2
    Senior Member
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    Mar 2009
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    I would suggest rewriting this using the fact that \cos^2 x + \sin^2 x = 1. From there you can treat \sin x as a variable and solve the quadratic that results. If you don't understand the second part just post what you have after using the first suggestion.
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