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Math Help - trig identities

  1. #1
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    trig identities

    csc^2x - 2cotx = 0
    in [0degree, 360degree) intervel
    find x ?
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  2. #2
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    Quote Originally Posted by shanzwhaat View Post
    csc^2x - 2cotx = 0
    in [0degree, 360degree) intervel
    find x ?
    \frac{1}{\sin^2{x}} - \frac{2\cos{x}}{\sin{x}} = 0

    1 - 2\cos{x}\sin{x} = 0

    1 - \sin{2x} = 0.


    I trust you can go from there.
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  3. #3
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    YUP i can.. thanks so much!!!
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