SOLUTION: Solve 4 sin^2 ( x ) − 10 sin ( x ) − 6 = 0 for all solutions 0 ≤ x < 2 π

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Question 1149296: Solve 4 sin^2 ( x ) − 10 sin ( x ) − 6 = 0 for all solutions 0 ≤ x < 2 π
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
4 sin ^2x-10 sin x -6=0
divide by 2
2sin^2 x-5 sin x -3=0
(2 sin x+1)(sin x-3)=0
only possible root is sin x=-1/2
That occurs at 7 pi/6 and 11 pi/6