If `A(theta)=[s inthetai costhetai costhetas intheta]` , then which of the following is not true? `A(theta)^(-1)=A(pi-theta)` `A(theta)+A(pi+theta)` is a null matrix `A(theta)^(-1)` is invertible for all `theta in R` `A(theta)^(-1)=A(-theta)`

If A(theta)=[[sintheta, icostheta], [icostheta, sintheta]] , then which of the following is not true? (a) A(theta)^(-1)=A(pi-theta) (b) A(theta)+A(pi+theta) is a null matrix (c) A(theta)^(-1) is invertible for all theta in R (d) A(theta)^(-1)=A(-theta)

If A(theta)=[[sintheta, icostheta], [icostheta, sintheta]] , then which of the following is not true? (a) A(theta)^(-1)=A(pi-theta) (b) A(theta)+A(pi+theta) is a null matrix (c) A(theta)^(-1) is invertible for all theta in R (d) A(theta)^(-1)=A(-theta)

If A (theta ) = [(sin theta , icos theta),(i cos theta,sin theta)] , then which of the following is not true A) A (theta)^(-1)= A (pi - theta) . B) A(theta) + A (pi + theta) is a null matrix C) A(theta) is invertible for all theta in R D) A(theta)^(-1) = A(-theta)

If (cos theta+cos2 theta)+sin2 theta(1+2cos theta)=2sin theta,theta in[-pi,pi] then

If R(theta) = [(cos theta, sin theta),(sin theta, -cos theta)] Write:- R(pi/2) .

If cos theta cos 2 theta cos 3theta = 1//4 for 0 lt theta lt pi then theta =

If tan theta + tan ( theta + (pi)/(3))+ tan ( theta + (2pi)/(3))=3 , then which of the following is equal to 1 ?

If tan theta + tan ( theta + (pi)/(3))+ tan ( theta + (2pi)/(3))=3 , then which of the following is equal to 1 ?