Question

integrate (1-cos x) / (1+cos x)

Answer 1

do u know the half angle formulas ?
cos 2x = ?

Answer 2

I got it

Answer 3

u know these ?
cos 2x= 1-2 sin^2 x = 2cos^2x-1 ?

Answer 4

oh,ok. :)

Answer 5

yes

Answer 6

1-cosx=2sin^2(x/2)
1+cosx=2cos^2(x/2)

Answer 7

thanks for the help