Q9
sin A + cos A / sin A - cos A
+
sin A - cos A / sin A + cos A
=
1 / sin2 A - cos2 A
=
2 / 1 - 2cos2 A
=
2 sec2A / tan2 A-1


Solution





Reach Us

SERVICES

  • ACADEMIC
  • ON-LINE PREPARATION
  • FOUNDATION & CRASH COURSES

CONTACT

B-54, Krishna Bhawan, Parag Narain Road, Near Butler Palace Colony Lucknow
Contact:+918081967119