Soru:
6. A + B + C = π ise B. sin2A+ sin2B + sin2C ifadesi aşağıdakilerden hangisine eşittir? A) sinA.sin B-sinC C) 3-sin-sin-sin C B)

6. A + B + C = π ise B. sin2A+ sin2B + sin2C ifadesi aşağıdakilerden hangisine eşittir? A) sinA.sin B-sinC C) 3-sin-sin-sin C B) 2-sinA.sinB sinC D) 4-sinA.sinB-sinC C E) 8-sin-sin-sin- 2 B 1, carb cost 2 Sing - Cast - 2 sin & was 6 - 2 sing 2