no 7 Share with your friends Share 0 Mayank answered this tan2θ=1-a2So,secθ+tan3θcosecθ=1+tan2θ+tan2θ×tanθ×1+cot2θ=2-a2+1-a232×1+11-a2=2-a2+1-a232×2-a21-a2=2-a2+1-a2×2-a2=2-a22-a2=2-a232 32 View Full Answer