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OpenStudy (kva1992):
2 sin^2 e - 3 sin e = -1 2sin^2 e -3 sin e +1 = 0 why is 30 degrees included in the solution?
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OpenStudy (kva1992):
oh snaps is it because there is 3 intersections ?
OpenStudy (kva1992):
but even then i dont understand why 30 is included?
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