Question

4.
Prove that
(Sin A + Cosec A)? + (Cos A+ Sec A)? = 7 + tan’ A + Cot' A​

Answer 1

Step-by-step explanation:

I think the question is $(sinA+cosecA)^{2} +(cosA + secA)^{2}= 7 +tan^{2}A +cot^{2}A$.

Detailed explanation is shown in the attached Figure.