Question

\frac{\cos ^{3} A+\sin ^{3} A}{\cos A+\sin A}+\frac{\cos ^{3} A-\sin ^{3} A}{\cos A-\sin A}=kcosA+sinAcos3A+sin3A​+cosA−sinAcos3A−sin3A​=k then \mathrm{k}=k=​

Answer 1

Answer:

hey mate

what you asking