Math Chapter Wise Properties Of Triangle And Circular Inverse Function English MCQ TGT 2005 Q.If A + B +C =1800 then sin 2A + sin2B + sin2C what will be equal to - A4 cos A cos B cos C B4 sin A sin B sin C C2 sin A sin B sin C D8 sin A sin B sin C Show answer Correct answer: 4 sin A sin B sin C