The angles A, B and C of a triangle ABC are in arithmetic progression. If `2b^(2)+3c^(2)` then the angle A is :

The angles A, B and C of a triangle ABC are in arithmetic progression. AB=6 and BC=7. Then AC is :

The angles A, B and C of a triangle ABC are in arithmetic progression. AB=6 and BC=7. Then AC is :

If the angles A, B and C of a triangle are in an arithmetic progression and if a, b and c denote the lengths of the sides opposite to A, B and C respectively, then the value of the expression (a)/(c) sin 2C + (c)/(a) sin 2A is

If the angles A, B and C of a triangle are in an arithmetic progression and if a, b and c denote the lengths of the sides opposite to A, B and C respectively, then the value of the expressin a/c sin 2C + c/a sin 2A is

If the angles A, B and C of a triangle are in an arithmetic progression and if a, b and c denote the lengths of the sides opposite to A, B and C respectively, then the value of the expression (a)/(c) sin 2C + (c)/(a) sin 2A is

If the angles A, B and C of a triangle are in an arithmetic progression and if a, b and c denote the lengths of the sides opposite to A, B and C respectively, then the value of the expression (a)/(c) sin 2C + (c)/(a) sin 2A is

Three angles A,B,C( taken in that order ) of triangle ABC are in arithmetic progression.If a^(2)+b^(2)-c^(2)=0 and c=2sqrt(3), then the radius of circle inscribed in triangle ABC is equal tolNote: All symbols used have usual meaning in triangle ABC.

If the angles A,B and C of a triangle are in an arithmetic progression and if a,b and c denote the lengths of the sides opposite to A,B and C respectively, then the value of the expression (a)/(c)sin2C+(c)/(a)sin2A is :

The angles of a triangle ABC, are in Arithmetic progression and if b : c = sqrt(3) : sqrt(2), "find "angleA