Sides of triangle ABC are in A.P. if `a < min {b, c}` then `cos A` is equal to

Sides of a triangle ABC are in A.P. If a lt min{b,c} ,then cosA may be equal to

Sides of Delta ABC " are in A.P. if " a lt min {b, c}, then cosA may be equal to

If the angles of a triangle ABC are in A.P. then

If the angles of a triangle ABC are in A.P. , then

If the sides a,b,c of a triangle ABC are in A.P., prove that cosA "cot" (A)/(2) , cosB "cot" (B)/(2), cosC "cot" (C)/(2) are also in A.P.

The sides of a triangle are in A.P and its area is (3)/(5)xx (area of equilateral triangle of same perimeter). Then the ratio of the sides to :

If the sides of a triangle are in A.P., then the cotangent of its half the angles will be in

If the sides of a triangle are in A.P., then the cotangent of its half the angles will be in

The sides of a triangle are in A.P. then the line joining the centroid to the incentre is parallel to (a)The largest side (b) The smaller side (C)The middle side (d)None of the sides