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The distance between the points (a cos a...

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|a sin((alpha-beta)/(2))|` c)`2|a cos((alpha-beta)/(2))|` d)`|a cos((alpha-beta)/(2))|`

A

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

B

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

C

`2|a cos((alpha-beta)/(2))|`

D

`|a cos((alpha-beta)/(2))|`

Text Solution

Verified by Experts

The correct Answer is:
B
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