Prove any one of the following:`cos 6A=32 cos^6 A-48 cos^4A+18 cos^2A-1`

Similar Questions

Explore conceptually related problems

Prove any one of the following: cos^2A+cos^2(A+pi/3)+cos^2(A-pi/3)=3/2

Solve any one of the following cos x+sqrt(3) sin x=2

Solve any one of the following cos x+sin x=sqrt(2)

Prove any one of the following : sin^2A+sin^2B+sin^2C=2+2cos A cos Bcos C when A+B+C=pi .

Prove any one of the following: (sin 5A-2sin 3A+sin A)/(cos 5A-cos A)=tan A

Prove any one of the following : (1+cos pi/8)(1+cos 3pi/8)(1+cos 5pi/8)(1+cos 7pi/8)=1/8

Prove that cos 4A=1-8cos^2A+8 cos^4A

Solve any one of the following sin theta+cos theta=sqrt 2

Prove any one of the following: 2 cos 11(1^@)/4=sqrt[2+sqrt(2+sqrt 2)]

Prove the following (cos ^2A* sin^2 B)- (sin^2 A* cos ^2B)= cos^2 A- cos ^2B