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Thread: Trig Equation

  1. May 22nd 2008, 07:41 PM #1
    toxicsina
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    Trig Equation

    2Sin^2θ-1=0
    I dunno how to do this cuz of the square
    any help would be appreciated.
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  2. May 22nd 2008, 07:45 PM #2
    o_O
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    2\sin^{2} \theta - 1 = 0

    \text{Let } x = \sin \theta .

    You get: 2x^{2} - 1 = 0

    Would you able to solve it like this ?
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  3. May 24th 2008, 03:10 AM #3
    detta
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    The given informations related to mathematics is very useful to me. thank u for your informations.

    ==========

    detta

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