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Math Help - cos x = sqrt(3)/2

  1. #1
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    cos x = sqrt(3)/2

    Determine all solutions to the trigonometric equation

    in the range 0,2pi

    i alredy got the first answer it is pi/6
    but the second i thought i would do pi/6+2pi =S? plz help need fast help!
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  2. #2
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    Re: cos x = sqrt(3)/2

    Quote Originally Posted by Petrus View Post
    Determine all solutions to the trigonometric equation

    in the range 0,2pi

    i alredy got the first answer it is pi/6
    What about 2\pi-\frac{\pi}{6}~?
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  3. #3
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    Re: cos x = sqrt(3)/2

    solved it :P can some1 explain for me this
    for tan its x+kpi
    what is it for sin?
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  4. #4
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    Re: cos x = sqrt(3)/2

    solved it 11pi/6
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