Math Chapter Wise Trigonometrical Identities And Circular Function English MCQ PGT 2011 Q.In ∆ ∆ ∆ABC, A=300, B=600, then a:b:c is A1: 3: 2 B1: 2: 3 C1:2:3 D1: 2:3 Show answer Correct answer: 1: 3: 2