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Math Help - Trig. Identities

  1. #1
    Junior Member jonnygill's Avatar
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    Trig. Identities

    Hello!

    How do I solve the following equation...

    2\cos^2\Theta=2+\sin^2\Theta

    First time using latex.
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  2. #2
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    Quote Originally Posted by jonnygill View Post
    Hello!

    How do I solve the following equation...

    2\cos^2\Theta=2+\sin^2\Theta

    First time using latex.
    Wasn't paying attention with my help.
    Last edited by dwsmith; February 14th 2011 at 08:25 PM.
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  3. #3
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    Quote Originally Posted by jonnygill View Post

    How do I solve the following equation...

    2\cos^2\Theta=2+\sin^2\Theta
    By inspection \displaystyle\Theta =0 is a solution, or make \displaystyle \cos^2\Theta = 1-\sin^2\Theta to solve it in terms of \displaystyle\sin\Theta
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