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Thread: trigonometry help

  1. December 2nd 2009, 03:45 PM #1
    starrytulips143
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    trigonometry help

    i need to solve this equation, the equation is

    sin2xcos3x + sin3xcos2x = (square root of 2)/2


    thanks!
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  2. December 2nd 2009, 04:49 PM #2
    skeeter
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    Quote Originally Posted by starrytulips143 View Post
    i need to solve this equation, the equation is

    sin2xcos3x + sin3xcos2x = (square root of 2)/2


    thanks!
    hint ...

    \sin(a)\cos(b) + \sin(b)\cos(a) = \sin(a+b)
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« Trig triangle/function (ambiguous cases) | [SOLVED] Trig Idents »

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