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OpenStudy (anonymous):
derivative of sin11xcos11x?
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OpenStudy (anonymous):
sin11xcos11x = (1/2) sin (22x) ( sin11xcos11x )' = ( 22/2 ) cos (22x) = ...
OpenStudy (anonymous):
the answer supposedly is -121sin11xcos11x.. that's why I was really confused
OpenStudy (anonymous):
Where do you get that answer?
OpenStudy (anonymous):
Which seems wrong to my understanding Hmm!
OpenStudy (anonymous):
i know! i worked on this problem for an hour trying to understand what was going on.. i got it from the results provided on the back of the book oh well i'll see tomorrow what the answer was
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