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OpenStudy (anonymous):
1-cos(12x)=? A.2cos^2(12x) B.2sin^2(12x) C.2cos^2(6x) D.2sin^2(6x)
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OpenStudy (callisto):
1-cos(12x) = 1- (1-2sin^2 (6x)) = 1-1 + 2sin^2 (6x) =?
OpenStudy (anonymous):
b?
OpenStudy (callisto):
Nope :|
OpenStudy (anonymous):
d
OpenStudy (callisto):
Yes
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OpenStudy (anonymous):
Thank you
OpenStudy (callisto):
Welcome!~
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