In a $$\Delta$$ABC, if a = 2, b = 3 and $$\sin A = {2 \over 3}$$, then what is $$\angle$$B equal to?

If the angles of a triangle ABC are in AP and b : c = $${\sqrt 3 }$$ : $${\sqrt 2 }$$, then what is the measure of angle A ?

If the angles of a triangle ABC are in the ratio 1 : 2 : 3, then the corresponding sides are in the ratio

In a triangle ABC $\rm \frac{a}{\cos A}=\frac{b}{\cos B}=\frac{c}{\cos C}$ What is the area of the triangle if a = 6 cm?