If, in , , the triangle…

MATHEMATICS · Single correct · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

If, in

\triangle ABC

,

c(a+b)\cos\frac{B}{2}=b(a+c)\cos\frac{C}{2}

, the triangle is (1) Isosceles (2) Equilateral (3) Right-angled but not isosceles (4) Right-angled and isosceles

Related theory

Browse the problem library