Question

prove that (tan theta + sec theta - 1)( tan theta + sec theta + 1 ) = 2 sin theta / 1- sec theta ​

Answer 1

Answer:

last year in a book i also found a question as same like this...i asked the teacher about it ...he told me that the last term 1- sec theta should be 1 - sin theta..

I hope it will be helpful for you