find all the solutions between 0 and 2pi 4csc^2 (x/2) - 7 csc (x/2)-2 = 0
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Originally Posted by jumpman23 find all the solutions between 0 and 2pi 4csc^2 (x/2) - 7 csc (x/2)-2 = 0 This is a quadratic in $\displaystyle \csc\frac x2.$ Factor, and then set each factor equal to 0. Of the two resulting equations, only one has a real solution.
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