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In any DeltaABC, is 2 cos B=a/2, then th...

In any `DeltaABC,` is `2 cos B=a/2,` then the triangle is

A

right angled

B

equilaterial

C

isosceles

D

none of these

Text Solution

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The correct Answer is:
C
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  3. In any DeltaABC, is 2 cos B=a/2, then the triangle is

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  6. In any triangle ABC b^(2)sin2C+c^(2)sin2B=

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  13. If in a triangle A B C ,acos^2(C/2)+ c cos^2(A/2)=(3b)/2, then the si...

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