Math Chapter Wise question with answer

Q01 If ∆ ∆ ∆ABC is a right angled at A, then value of tanB×tan C is: English · Haryana TGT 2020 Q02 In a ∆ ∆ ∆ ABC, a, c, A are given and b1, b2 are two values of the third side b such that b2 = 2b1 then sin A = English · Haryana PGT 2018 Q03 If r1, r2, r3 be the radii of the described circles of ∆ ∆ ∆ ABC and r be the radius of the inscribed circle then t... English · PGT 2004 Q04 If in a triangle ABC, cos A = cos B cos C then the value of cot B cot C will be English · PGT 2004 Q05 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 Q06 If ∆ ∆ ∆ is the area of triangle ABC then the value of a2 sin2B+b2 sin2A will be equal to: English · TGT 2009