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If angles A,B, and C are in A.P., then (...

If angles `A,B, and C` are in `A.P.,` then `(a+c)/b` is equal to

A

`2 sin ((A-C)/(2))`

B

`2 cos ((A-C)/(2))`

C

`cos ((A-C)/(2))`

D

`sin ((A-C)/(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
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