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What is the value of cos 15^@-cos 165^@?...

What is the value of `cos 15^@-cos 165^@`?
`cos 15^@-cos 165^@` का मान क्या है?

A

`sqrt 3//sqrt2`

B

`2//(sqrt3-1)`

C

`(sqrt3+1)//sqrt2`

D

`(sqrt3+1)//2`

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CHAMPION PUBLICATION-2017 TIER-II PAPER(12)-EXERCISE
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