J jellybean New member Joined Feb 9, 2006 Messages 10 Feb 9, 2006 #1 what is the second derivative of cos(x^2)? I already have the first derivative. f'(x)=-2xsin(x^2) is this right?
what is the second derivative of cos(x^2)? I already have the first derivative. f'(x)=-2xsin(x^2) is this right?
U Unco Senior Member Joined Jul 21, 2005 Messages 1,134 Feb 9, 2006 #2 Yep. Now you can product-rule -2xsin(x^2).
