Trace of a Matrix

JEE Main Mathematics · Matrices and Determinants · 1 question, latest first

• Let R= (x, 0, 0; 0, y, 0; 0, 0, z) be a non-zero 3 × 3 matrix, where x sin θ=y sin (θ+(2 π)/3)=z sin (θ+(4 π)/3) ≠ 0, θ ∈(0,2 π).…202430 January, Shift 2 · Q3