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In a triangle ABC, if 2a cos ((B-C)/(2)...

In a triangle ABC, if `2a cos ((B-C)/(2))=b+c`, then secA is equal to :

A

`(2)/(sqrt(3))`

B

`sqrt(2)`

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
C
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