Find the derivative of f(x)=ln∣sinx+cosx∣f(x) = \ln |\sin x + \cos x|f(x)=ln∣sinx+cosx∣.
cosx−sinxsinx+cosx\frac{\cos x - \sin x}{\sin x + \cos x}sinx+cosxcosx−sinx
sinx+cosxcosx−sinx\frac{\sin x + \cos x}{\cos x - \sin x}cosx−sinxsinx+cosx
111
tanx\tan xtanx