What is the derivative of #f(x)=cossqrt(x)#?
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"Find the limit as x approaches infinity of #xsin(1/x)#?"
1 Answer
Dec 12, 2015
Explanation:
Applying the chain rule, together with the derivatives
-
#d/dx cos(x) = -sin(x)# -
#d/dx sqrt(x) = 1/(2sqrt(x))#
we get
