Question

C 14. If b cos B = c cos C, then the triangle is :​

Answer 1

Answer:

EQUILATERAL ! MARK ME BRAINLIEST BRO

Answer 2

Answer:

A

True

For any triangle ,

From cosine rule ,

cosA=2bcb2+c2−a2

acosA=a2bcb2+c2−a2

cosB=2aca2+c2−b2

bcosA=b2aca2+c2−b2

⟹b2aca2+c2−b2=a2bcb2+c2−a2a2b2+b2c2−b4=a2b2+a2c2−a4b2c2−

Step-by-step explanation:

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