SOLUTION: 6sin^2x-13sinx-8=0

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Question 928728: 6sin^2x-13sinx-8=0
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
6sin^2x-13sinx-8=0
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Sub u for sin(x)
6u%5E2+-+13u+=+8+=+0
Solve the quadratic for u
Sub back sin(x) for u