Differentiate ln (1+ cos x)...
My ans is (-sin x)/ (1+cos x), but at wolfram is
-tan (x/2). I think they simplify it but how did they do it? Sorry for my little knowlegde....
My ans is (-sin x)/ (1+cos x), but at wolfram is
-tan (x/2). I think they simplify it but how did they do it? Sorry for my little knowlegde....