If `sin^8theta+cos^8theta-1=0` then what is the value of `cos^2thetasin^2theta`

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

If sin^(8)theta+cos^(8)theta-1=0 then what is the value of cos^(2)theta sin^(2)theta

If sin theta + sin^(2) theta =1 , then what is the value of ( cos^(12) theta + 3 cos^(10) theta + 3 cos^(8) theta + cos^(6) theta - 1) ?

If sin theta_1+sin theta_2+sin theta_3+sin theta_4=4 , then what is the value of cos theta_1+cos theta_2+cos theta_3+cos theta_4=?

Simplify cos^8theta-sin^8theta

If sin theta+cos ec theta=2, then the value of sin^(8)theta+cos ec^(8)theta is equal to

If sin theta+cos ec theta=2, then the value of sin^(8)theta+cos ec^(8)theta is

If sin theta-cos theta=0 , then the value of (sin^(8)theta+cos^(8)theta) is