If the trace of matric `A=[(sin^2theta,1,-1),(3,-1,-3),(t_1,t_2,0)]` is zero, then `theta` can be , where `t_1,t_2 in R`

Of the matrices A=[(2,1,3),(4,1,0)] and B=[(1,-1),(0,2),(5,0)] Find AB , B^T , (AB)^T

Let t_1,t_2,t_3 be the three distinct points on circle |t|=1. if theta_1,theta_2 and theta_3 be the arguments of t_1,t_2,t_3 respectively then cos(theta_1- theta_2) + cos (theta_2-theta_3)+ cos (theta_3-theta_1)

Let t_1,t_2,t_3 be the three distinct points on circle |t|=1. if theta_1,theta_2 and theta_3 be the arguments of t_1,t_2,t_3 respectively then cos(theta_1- theta_2) + cos (theta_2-theta_3)+ cos (theta_3-theta_1)

If sin theta=(2t)/(1+t^(2)) and theta lies in 2 nd quadrant then cos theta is equal to

If area of pentagon PQRST be 7 ,where P(-1,-1),Q(2,0),R(3,1),S(2,2) and T(-1,t),t>0, then the value of t is

If tan(theta/2)=t then (1-t^2)/(1+t^2) is equal to

If (1-t a nthetat a ntheta1)(1t a ntheta-t a ntheta1)=[a-bb a] , then a=cos2theta b. a=1 c. b=s in2theta d. b=-1

If sin theta = (2t)/(1+t^(2)) and theta lies in the second quadrant, then cos theta is equal to

If tantheta=(2t)/(1-t^(2)) then sin theta+cos theta equals

If tan ""(theta)/(2) = t, then the value of (1- t ^(2))/(1+t^(2)) is