Question

find the integrals of the functions 1-cos x/1+cos x ​

Answer 1

Answer:

as we know

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

and 1+cosx=2(cos(x/2)^2)

so 1-cosx/1+cosx=tan[(x/2)]^2

=(sec(x/2)^2)-1

taking integration both sides , we have

=2tan(x/2)-x

Answer 2

Step-by-step explanation:

please solve it and I will follow you.