Prove that `(cos3A + sin3A)/(cosA - sin A) = 1+ 2sin 2A`.

Similar Questions

Explore conceptually related problems

(cos3A+sin3A)/(cosA-sinA)=

(cos3A+sin3A)/(cos A-sin A)=1+2sin2A

Prove that ((cos^3A-sin^3A)/(cosA - sinA))- ((cos^3A + sin^3A)/(cosA + sinA))= 2sin A cos A

Prove that : (cos^(3) A + sin^(3) A)/ (cos A + sin A) + (cos^(3) A - sin^(3) A)/(cos A - sin A) = 2

Prove that (sin^2 A )/(cosA) + cos A = sec A.

Prove that (sinA+sin3A)/(cosA+cos3A)=tan2A .

Prove that : (sinA+sin3A)/(cosA+cos3A)=tan2A

Prove that cosA/(1-tanA)-(sin^2A)/(cosA-sinA)== sin A + cos A. .

Prove that: (sinA - 2sin^(3)A)/(2 cos^(3)A - cosA) = tan A

Prove that (sin^2A)/(cosA) + cos A = sec A.