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Math Help - Intersect of sin and cos

  1. #1
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    Intersect of sin and cos

    how many times do the graphs of y = sin 2x and y = cos 1/2 x interest on the interval [0,2pi]

    it looks like to me just once at the origin 0. Is this correct? Please let me know asap. thanks
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  2. #2
    Junior Member
    Joined
    Jun 2005
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    Zagreb, Croatia
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    If your functions are:
    y=sin(2x)
    y=cos(1/2*x)
    Than the answer is 5 times.
    Attached Thumbnails Attached Thumbnails Intersect of sin and cos-sin-vs-cos.jpg  
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