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OpenStudy (anonymous):
sin 2x - 3 = -7 sin 2x find all solutions
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OpenStudy (anonymous):
sin2x-3=-7sinx2 8sin2x=3 sin2x=3/8 Use sin inverse 2x=22 degrees, and 158 degrees Divide all by 2 x=11 degrees and 79 degrees
OpenStudy (anonymous):
thaaank you!
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