Wednesday
April 16, 2014

Homework Help: Math

Posted by Ifi on Sunday, October 28, 2012 at 10:07am.

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....

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

calculus - Differentiate. y= (cos x)^x u= cos x du= -sin x dx ln y = ln(cos x)^x...
Calc. - Differentiate. y= (cos x)^x u= cos x du= -sin x dx ln y = ln(cos x)^x ln...
trigo help! - 1. differentiate cos(3/x) 2. differentiate sin(4/x) 3. ...
Calculus - Evaluate the integral. S= integral sign I= absolute value S ((cos x...
tigonometry - expres the following as sums and differences of sines or cosines ...
maths - Choose the option that gives an expression for the indefinite integral...
algebra - Can someone please help me do this problem? That would be great! ...
Math - Calculus - The identity below is significant because it relates 3 ...
Math differentiation - 1. y = x^x 2. y = (sin^2xtan^4x)/(x^2+1)^2 3. y = x^(1/x...
math - differentiate 3^(x^2). my ans is 3^(x^2) 2x ln 3. is it correct?

Search
Members