Math Chapter Wise Matrices And Determinants English MCQ Rajasthan TGT 2013 Q.If 1 − θ 1 -tan 1 tan 2 2 tan 1 -tan 1 2 2 =, a -b b a then Aa = 1, b = 1 Ba = 1, b = –1 Ca = cos θ, b = sin θ Da= sin θ, b = cos θ Show answer Correct answer: a = cos θ, b = sin θ