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OpenStudy (anonymous):
need help derivative of arccos
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OpenStudy (anonymous):
\[dy/dx [\cos ^{-1}(u)] = 1/(\sqrt{1+u^2})\]
OpenStudy (anonymous):
but how would get that answer I need help deriving that
OpenStudy (anonymous):
basically need help on how to solve for that answer and not just by memorization
OpenStudy (anonymous):
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