sin10sin30sin50sin70=1/16. Prove Share with your friends Share 3 Varun.Rawat answered this LHS = sin 30° sin 10° sin 50° sin 70°=12sin 10° sin 50° sin 70°=142 sin 10° sin 50° sin 70°=14cos 40° - cos 60° sin 70°=14cos 40° sin 70° - 14cos 60° sin 70°=182 sin 70° cos 40° - 18 sin 70°=18sin 110° + sin 30°- 18 sin 70°=18 sin 110° + 18sin 30° - 18 sin 70°=18sin 180° - 70° + 116- 18 sin 70°=116 = RHS 29 View Full Answer
