In If show that:
In if sinA, sinB, sinC are in A.P., show that
In prove that a cosA + b cosB + c cos C = 2a sinB sin C
In if show that are in A.P.
In show that: where is equal to area of
In show that:
In triangle ABC, a = 30, b = 11, c = 25; find
In triangle ABC, a = 24 cm, find R.
Solution not provided.Ans. R = 13 cm.