1. ## finding solutions

find all the solutions between 0 and 2pi

4csc^2 (x/2) - 7 csc (x/2)-2 = 0

2. 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 $\csc\frac x2.$ Factor, and then set each factor equal to 0. Of the two resulting equations, only one has a real solution.