Question

Integral Cos x/1-Cos²x​

Answer 1

Answer:

Step-by-step explanation:

1- cos^2(x) = sin^2(x)

let u = sin(x)

then du = cos(x)dx

then integral becomes = > Integral of du / u^2

                                       = u^(-2+1)/-2+1

                                       = -1/sinx  + C