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

If angles A, B and C are in AP, 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

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The correct Answer is:
B
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AAKASH SERIES-PROPERTIES OF TRIANGLES-LECTURE SHEET EXERCISE - II(Straight Objective Type Questions)
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