Integral of x/(1+cos(x)) dx
The solution
The answer (Indefinite)
[src]
/
|
| x / 2/x\\ /x\
| ---------- dx = C - log|1 + tan |-|| + x*tan|-|
| 1 + cos(x) \ \2// \2/
|
/
sin2x+cos2x+2cosx+1(sin2x+cos2x+2cosx+1)log(sin2x+cos2x+2cosx+1)+2xsinx
The graph
/ 2 \
- log\1 + tan (1/2)/ + tan(1/2)
sin21+cos21+2cos1+1(sin21+cos21+2cos1+1)log(sin21+cos21+2cos1+1)+2sin1−2log2
=
/ 2 \
- log\1 + tan (1/2)/ + tan(1/2)
−log(tan2(21)+1)+tan(21)
Use the examples entering the upper and lower limits of integration.