Question

(sin A + cos A)(1-sin A cos A)=sin³A+ cos³A​

Answer 1

Please find the attachment

Answer 2

Answer:

Step-by-step explanation:

consider right hand side

sin³A+cos³A=(sinA+cosA)(sin²A+cos²A-sinAcosA)  (since sin²A+cos²A=1)

                    = (sinA+cosA)(1-sinAcosA) =LHS   hence proved