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Math Help - Solution to Trig Equation

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    Solution to Trig Equation

    Find all solutions of the equation in the interval of (0, 2π):

    sin(x+π/4)+sin(x-π/4)=1
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  2. #2
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    Quote Originally Posted by adam456006 View Post
    Find all solutions of the equation in the interval of (0, 2π):

    sin(x+π/4)+sin(x-π/4)=1
    From the compound angle formulae: sin(A + B) + sin(A - B) = 2 sin A cos B. In your case B = pi/4. So your equation can be written as a very simple one ....
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