Question

( Sin A + Cos A) ka whole square + (Cos A + sin A) whole square = 7 + tan square A + cos square A .Prove that following identities,where the angles involved are acute angles for which the expressions are defined.​

Answer 1

Answer:

Step-by-step explanation:

(sinA+cosA)^2+(cosA+sinA)^2

sin^2A+cos^2A+2sinAcosA

Don't know sorry