sinA/1+cosA + sinA/1-cosA= 2cosecA
Answers
Answered by
8
MARK IT AS THE BRAINLIEST
Attachments:
Answered by
3
Proof:
Taking sinA as common outside we get,
Using (a - b)(a + b) = a² - b²
Using 1 - cos²A = sin²A we get,
Cancelling sinA we get,
But 1/sinA = cosecA, therefore,
LHS = RHS.
Hence Proved.
Similar questions