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OpenStudy (anonymous):
Cos^-1 ( cos(7pi/6) HELP!
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OpenStudy (gorv):
cos^-1 will cancel cos so = 7pi/6
OpenStudy (anonymous):
0 < x<pi
OpenStudy (gorv):
u need gernalize form??
OpenStudy (gorv):
2*n*pi+7pi/6
OpenStudy (gorv):
n=1,2,3,4,5,.....................
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