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Thread: TRIG EQUATIONS

  1. November 26th 2008, 06:43 AM #1
    tradar
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    TRIG EQUATIONS

    Solve the equation for all exact values of x over the interval [0,2pi).

    2sin SQUARED x + 3cosx=3
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  2. November 26th 2008, 07:02 AM #2
    skeeter
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    Quote Originally Posted by tradar View Post
    Solve the equation for all exact values of x over the interval [0,2pi).

    2sin SQUARED x + 3cosx=3
    change \sin^2{x} to (1 - \cos^2{x}), distribute the 2, combine like terms, and solve the resulting quadratic equation for \cos{x}.
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