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OpenStudy (solomonzelman):
(I am going to offline) if true, PROVE please, briefly, no links.
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OpenStudy (solomonzelman):
\[Cos(x)~'=Sin(x)~'\]
OpenStudy (anonymous):
YUS VERY TRUE
OpenStudy (zarkon):
are you asking if the derivative of the cosine is the same as the derivative of the sine?
OpenStudy (solomonzelman):
Yes.
OpenStudy (shamil98):
(cos x)' = -sin x (sin x)' = cos x so no it isnt.
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OpenStudy (solomonzelman):
tnx
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