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cos^(3)110^(@)+cos^(3)10^(@)+cos^(3)130^...

`cos^(3)110^(@)+cos^(3)10^(@)+cos^(3)130^(@)=`

A

`3//4`

B

`3//8`

C

`(3sqrt3)/8`

D

`(3sqrt3)/4`

Text Solution

Verified by Experts

The correct Answer is:
C
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