Find ∫ 1 / cos 2 x (1 - tanx) 2 ) dx
This question is exactly same as Ex 7.2, 25 of Chapter 7 Class 12 in the NCERT Book.
Please check the answer and video here
https://www.teachoo.com/4959/717/Ex-7.2--25---Integrate-1---cos2-x-(1---tan-x)2-/category/Ex-7.2/