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OpenStudy (anonymous):
Evaluate using Half-Angle Formula, sin 17pi/12
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OpenStudy (anonymous):
17pi/12 = (17*180)/12 degrees = 255 degrees 255 degrees / 2 = 127.5 degrees sin(127.5 degrees) = 0.793353
OpenStudy (jdoe0001):
still confused?
OpenStudy (tkhunny):
Please write out the half angle formula for sine.
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