(cos^(4)theta-sin^(4)theta)" is equal to: "

4(sin^(6)theta+cos^(6)theta)-6(sin^(4)theta+cos^(4)theta) is equal to

4(sin^(6)theta+cos^(6)theta)-6(sin^(4)theta+cos^(4)theta) is equal to

The value of 8(sin^(6)theta+cos^(6)theta)-12(sin^(4)theta+cos^(4)theta) is equal to

If sin theta + sin^(2) theta=1 " then " cos^(2) theta+ cos^(4) theta is equal to

If sin theta + sin^(2) theta=1 " then " cos^(2) theta+ cos^(4) theta is equal to

cos^4theta- sin^4theta is equal to.............. (a) 1 -2 sin^2(theta/2) (b) 2cos^2theta-1 (c) 1+2sin^2(theta/2) (d) 1+2cos^2theta

3(sin theta-cos theta)^(4)+6(sin theta+cos theta)^(2)+4(sin^(6)theta+cos^(6)theta) is equal to 11(b)12(c)13(d)14

If sin theta+ cos theta= (1)/(2) , then 16(sin (2theta)+ cos (4theta) + sin (6theta)) is equal to

If sin theta = 1/2 and theta is acute then (3 cos theta -4 cos^(3) theta) is equal to

The value of sin^(8)theta+cos^(8)theta+sin^(6)theta cos^(2)theta+3sin^(4)theta cos^(2)theta+cos^(6)theta sin^(2)theta+3sin^(2)thetacos^(4)theta is equal to