Math Chapter Wise question with answer

Q01 If in a triangle ABC, cosA+2cosB+cosC = 2, then a, b, c are in English · PGT 2005 Q02 If in triangle ABC 2cosA cosB 2cosC a b + + = + a b c bc ca then the value of Angle A will be: English · TGT 2011 Q03 In a ∆ ∆ ∆ABC, b = 5 cm, a = 2 cm and 3 sinA = 7. How many such triangles are possible? English · UP TGT 2021 Q04 If 2 2 2 cos A cos C sin B + = + = then triangle ABC is– English · JDD-75-PGT TIER II-X-15 28.06.2015 Q05 ln a triangle ABC, a =13, b=14, c =15. Then sin A 2 is equal to– English · JDD-75-PGT TIER II-X-15 28.06.2015 Q06 lf cos A cosB cosC a b c =, then triangle ABC is– English · JDD-75-PGT TIER II-X-15 28.06.2015