The given expression is equal to:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 2cosecAcotA.
sec2A - 1 = tan2A
Also, secA = 1/cosA; cosecA = 1/sinA; tanA = sinA/cosA; cotA = cosA/sinA
According to the given question,
=
⇒ = 2cosecAcotA