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sin((1)/(2)"cos"^(-1)(4)/(5))=...

`sin((1)/(2)"cos"^(-1)(4)/(5))=`

A

`-(1)/(sqrt(10))`

B

`(1)/(sqrt(10))`

C

`-(1)/(10)`

D

`(1)/(10)`

Text Solution

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The correct Answer is:
B
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