Find the value of `cos^(2) (pi/8 - theta/2) - sin^(2) (pi/8 + theta/2).`

Find the value of cos^(2)((pi)/(6) - (theta)/(2)) - sin^(2) ((pi)/(6)+(theta)/(2)) .

The value of ( sin theta )/( sin^(2) (pi//8 + theta //2)-sin^(2)(pi//8- theta //2))=

Prove that, sin^(2) (pi/8 + theta/2) - sin^(2)(pi/8 - theta/2) = 1/sqrt2 sin theta

Evaluate sin^(2)((pi)/(8)+(theta)/(2))-sin^(2)((pi)/(8)-(theta)/(2))

Prove that sin ^(2) ((pi)/(8) + (theta)/(2)) - sin ^(2) ((pi)/(8) - (theta)/(2)) = sin ""(pi)/(4) sin theta.

The value of (sin theta)/(sin^(2)((pi)/(8)+(theta)/(2))-sin^(2)((pi)/(8)-(theta)/(2)))

The value of (sin theta)/(sin^(2)((pi)/(8)+(theta)/(2))-sin^(2)((pi)/(8)-(theta)/(2)))

If sin^(8)theta+cos^(8)theta-1=0 , what is the value of cos^(2)thetasin^(2)theta (if thetane0or(pi)/(2)) ?

Find the maximum value of cos^(2)(cos(33 pi+theta))+sin^(2)(sin(45 pi+theta)) is