# Answer to Question #13857 in Trigonometry for djferreira

Question #13857

Prove that (cosA+cosB/sinA-sinB)^n + (sinA+sinB/cosA-cosB)^n ={2cot^n(A-B/2),if even}

{0, if odd}

{0, if odd}

Expert's answer

Need a fast expert's response?

Submit orderand get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

## Comments

## Leave a comment