Construct 2 x 2 matrix whose elements are aij = cos [(i – j) π/2 - θ ] Share with your friends Share 0 Lovina Kansal answered this Dear student We have,aij=cosi-jπ2-θPut i=1,j=1a11=cos-θ=cosθPut i=1,j=2a12=cos-π2-θ=cos-π2+θ=cosπ2+θ=-sinθPut i=2,j=1a21=cosπ2-θ=sinθPut i=2,j=2a22=cos-θ=cos θSo, Required matrix = cosθ-sinθsinθcosθ Regards 1 View Full Answer Raghul answered this just substitute the values of i and j 2 Kelsi . answered this Please find this answer 1