Question

( 11. If tan A+ sin A = m and tan A - sin A = n then find m^2 – n^2. a) 4 COSA.tanA b) 4 sinA.tana c) 2 cosA.tanA d) 2 COSA.tana 4 sin A cos​

Answer 1

Answer:

∴Option B is the correct answer.

Your answer in the attachment picture.Hope you understand.

Answer 2

(B) 4SinA.TanA is the correct answer.