Math Chapter Wise question with answer

Q01 Let ABC be any triangle, then a2 (cos 2B – cos 2C) + b2 (cos 2C – cos 2A) + c2 (cos2A – cos 2B) is equal to– English · GIC Lecturer Exam-2015 Q02 In ∆ ∆ ∆ ABC, if a cos A = b cos B, then English · TGT 2004 Q03 In a ∆ ∆ ∆ABC, if a = 2, B = tan–1 1 2 and C = tan–1 1, 3 then (A, b) is equal to: English · EMRS PGT-2023 Q04 In a triangle ABC, B, C 3 4 π ∠ = ∠ = ∠ = ∠ = ∠ = ∠ = ∠ = ∠ =, Let D divides BC internally in the ratio 1:3 then si... English · TGT 2003 Q05 If the data given to construct a triangle ∆ ∆ ∆ABC are a = 5, b = 7, sin 3 A 4 =, then it is possible to construct English · TGT 2003 Q06 In a triangle ABC, If a=3, b=4 and 3 sinA = 4 then ∠ ∠ ∠ B =? English · TGT 2001