Find the derivative of f(x)=cos(ln(x))f(x) = \cos(\ln(x))f(x)=cos(ln(x)).
−sin(ln(x))x-\frac{\sin(\ln(x))}{x}−xsin(ln(x))
−sin(ln(x))x2\frac{-\sin(\ln(x))}{x^2}x2−sin(ln(x))
−sin(ln(x))-\sin(\ln(x))−sin(ln(x))
cos(ln(x))x\frac{\cos(\ln(x))}{x}xcos(ln(x))