The greatest value of `sin^4theta+cos^4theta` is

The greatest value of sin^4theta+cos^4thetai s 1/2 (b) 1 (c) 2 (d) 3

The greatest value of (2sin theta+3cos theta+4)^(3).(6-2sin theta-3cos theta)^(2) , as theta in R , is

if sintheta-costheta=0, then the value of (sin^4theta+cos^4theta)

If tan^(4)theta +tan^(2) theta = 2 , then the value of cos^(4)theta +cos^(2)theta is-

The value of cos^4theta+sin^4theta-6cos^2theta is (a) cos2theta (b) sin2theta (c) cos4theta (d) none of these

If 3 sin theta + 4 cos theta=5 , then find the value of 4 sin theta-3 cos theta .

What is the minimum value of (sin^2theta+cos^4theta) ?

If cos theta+cos^(2)theta=1 , the value of sin^(2)theta+sin^(4)theta is

If cot theta=(4)/(3) , then find the value of sin theta,cos theta and cos ectheta in first quadrant. If sin theta+cos ec theta=2 then find the value of sin^(8 )theta+cos ec^(8)theta .

Find the value of 6(sin^6theta+cos^6theta)-9(sin^4theta+cos^4theta)+4