Show that `cos^2theta+cos^2(alpha+theta)-2cosalphacostheta"cos"(alpha+theta)` is independent of `thetadot`

Show that: cos^(2)theta+cos^(2)(alpha+theta)-2cos alpha cos theta cos(alpha+theta) is independent of theta.

Prove that cos^(2)theta + cos^(2)(alpha + theta) – 2cos alpha *cos theta* cos(alpha +theta) is independent of theta .

Prove that the expression cos^(2)theta+cos^(2)(alpha+theta)-2cos alpha cos theta cos(alpha+theta) is independent of theta and also find the maximum value of the expression.

Prove that :2sin^(2)theta+4cos(theta+alpha)sin alpha sin theta+cos2(alpha+theta) is independent of theta.

The expression nsin^(2) theta + 2 n cos( theta + alpha ) sin alpha sin theta + cos2(alpha + theta ) is independent of theta , the value of n is

The value of the determinant |{:(1,sin(alpha-beta)theta,cos (alpha-beta)theta),(a, sinalphatheta,cos alphatheta),(a^(2),sin(alpha-beta)theta,cos(alpha-beta)theta):}| is independent of

The expression cos^(2)(theta+b)+cos^(2)(theta+a+b)+cos^(2)a-2cos a cos(theta+b).cos(theta+a+b) is independent of A) a B) b C) theta D) None of these

The value of 2sin^(2)theta+4cos(theta+alpha)sin alpha sin theta+cos2(alpha+theta)

Solve the equation : cos^(2)theta=cos^(2)alpha