Question

Prove that
coseca + cota/coseca - cota = (coseca+cota)^2
=1 + cot^2a + cosecacota

Answer 1

Answer:

coseca+ cota/coseca-cota = (coseca+cota)2 = 1+cot2a+ coseacota

hence proved.

Step-by-step explanation:

refer photos.