" 8."cos^(2)((pi)/(6)+theta)-sin^(2)((pi)/(6)-theta)=

The value of cos^(2)((pi)/(6)+theta)-sin^(2)((pi)/(6)-theta) is

The value of cos^(2)((pi)/(6)+theta)-sin^(2)((pi)/(6)-theta) is (1)/(2)cos2 theta b.0c*-(1)/(2)cos2 theta d.-cot35^(0)

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)))

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

Find the value of cos^(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 cos^2(pi/6+theta)-sin^2(pi/6-theta) is ............... A) 1/2 cos 2 theta B) 0 C) -1/2 cos 2 theta D) 1/2

The value of cos^2(pi/6+theta)-sin^2\ \ (pi/6-theta) is a, 1/2cos2theta b. 0 c. -1/2cos2theta d. -cot35^0