Home
Class 11
MATHS
In triangleABC, If cosA+cosB+cosC=(3)/(2...

In `triangleABC`, If `cosA+cosB+cosC=(3)/(2)`, then the triangle is

A

Isosceles

B

Equilateral

C

Right angled

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

In triangleABC, a cosB-b cosA=

In triangleABC, 2(bc cosA+ac cosB+ab cosC)=

If in a triangle ABC, (cosA)/a=(cosB)/b=(cosC)/c ,then the triangle is

In triangle ABC, 2(bc cosA-ac cosB-ab cosC)=

In triangleABC , if cosA=sinB-cosC , then the triangle is

In a triangle ABC cosA+cosB+cosC<=k then k=

In triangle ABC, if cosA+2cosB+cosC=2,t h e na ,b ,c are in (A) A.P. (B) G.P. (C) H.P. (D) none of these