Asked by Anonymous

Find the derivative of this function:

y=sin(cosx)

Any help would be appreciated.
Answered by bobpursley
y=sinu where u is cosx

dy/dx=cosu du/dx= cosu * -sinx
= -cos(cosx)*sinx
Answered by Anonymous
Oh, thanks. That makes it much easier. Didn't actually notice the cos(x) as being u.
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