Range of `f(theta)=cos^2theta(cos^2theta+1)+2 sin^2theta` is

Range of f(theta)=cos^2theta(cos^2theta+1)+2sin^2theta is

Range of f(theta)=cos^2theta(cos^2theta+1)+2sin^2theta is

Range of f(theta)=cos^2theta(cos^2theta+1)+2sin^2theta is

Range of f(theta)=cos^2theta(cos^2theta+1)+3sin^2theta is

Range of f(theta)=cos^(2)theta(cos^(2)theta+1)+2sin^(2)theta is

Range of f(theta) = cos^(2) theta(cos^(2) theta + 1) + 2 sin^(2) theta is

The range of f(theta)=3cos^2theta-8sqrt(3) cos theta sin theta + 5 sin^2theta-7 is gven by

The range of f(theta)=3cos^(2)theta-8sqrt(3)cos theta sin theta+5sin^(2)theta-7 is gven by

Prove that : cos2 theta= cos^2 theta-sin^2 theta=1-2 sin^2 theta= 2 cos^2 theta-1 .

If f(theta)=|(cos^(2) theta, cos theta sin theta, -sin theta),(cos theta sin theta, sin^(2) theta, cos theta),(sin theta, -cos theta, 0)| then f((pi)/12)=