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The distance between the points (a cos ...

The distance between the points (`a cos alpha, a sin alpha`) and (`a cos beta, a sin beta`) is

A

`2|sin((alpha-beta)/(2))|`

B

`2|asin((alpha-beta)/(2))|`

C

`2|acos((alpha-beta)/(2))|`

D

`|acos((alpha-beta)/(2))|`

Text Solution

Verified by Experts

The correct Answer is:
B
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