The least value of `2sin^2theta+3cos^2theta` is 1 (b) 2 (c) 3 (d) 5

The least value of 3sin^2theta+4cos^2theta is:

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

If cos theta + cos^2 theta = 1, then value of sin^2 theta + sin^4 theta is (a) -1 (c) 0 (c) 1 (d) 2

If sin theta+cos ec theta=2 then the value of sin^(20)theta+cos ec^(20)theta, is A.2^(10) B.2^(5) C.2^(20) D.2

The least value of cos^(2)theta-6sin theta cos theta+3sin^(2)theta+2 is

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

The least value of [cos^(2)theta-6sin theta*cos theta+3sin^(2)theta+2] is