Home
Class 11
MATHS
Which of the following is true in a tria...

Which of the following is true in a triangle ABC

A

`(b+c) "sin"(B-C)/(2)=2a"cos"A/2`

B

`(b+c) "cos"A/2 = 2a "sin" (B-C)/(2)`

C

`(b-c) "cos"A/2 = a "sin" (B-C)/(2)`

D

`(b-c)"sin"(B-C)/(2)=2a"cos"A/2`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

Which of the following is true? (A) Triangle is a polygon. (B) An isosceles triangle can be obtuse. (C) All scalene triangles are acute.

In which of the following cases can a right triangle ABC be constructed ?

ABC is a triangle in which angleABC=90^(@),BD is perpendicular to AC. Which of the following is TRUE? I. Triangle BAD is similar to triangle CBD. II. Triangle BAD is similar to triangle CAB. III. Triangle BAD is similar to triangle CAB.

If X Delta Y = phi , then which of the following is true ?

In triangle ABC, which of the following is not true :

In Delta ABC , which of the following is not true ?