[" If "a cos A=b cos B" then prove that the triangle is either isosceles or "],[" right angled."]

In a triangle ABC,if a cos A=b cos B then show that the triangle is either isosceles or right angled.

In a triangle ABC, if a cos A=b cos B, show that the triangle is either isosceles or right angled.

If a cosA=b cos B , then prove that either the triangle is isosceles or right triangle.

In a DeltaABC " if " a cosA=bcosB the prove that triangle is either isosceles or right angled .

If a cos A = b cos B , prove that the Delta ABC is either isosceles or right angled.

In any triangle ABC : If a cos A = b cos B, prove that either the triangle is isosceles or right-angled.

If a cosA=b cos B then prove that Delta ABC is either isosceles or right angled.

In any triangle ABC, if (cos A + 2 cos C)/(cos A + 2 cos B) = (sin B)/(sin C) then prove that, the triangle is either isosceles or right angled.

In any triangle ABC, if (cos A + 2 cos C)/(cos A + 2 cos B) = (sin B)/(sin C) then prove that, the triangle is either isosceles or right angled.