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  1. #1
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    Question...

    How many solutions are there to the equation sin(x) = -3/7 in the interval [, ].



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  2. #2
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    Quote Originally Posted by chav86 View Post
    How many solutions are there to the equation sin(x) = -3/7 in the interval [, ].



    Cheers.
    Draw the graphs of y = sin x and y = -3/7 over [-3 pi, 3 pi]. Count the number of times they intersect.
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