DeltaDEF is right angled at E .If mangle...

`DeltaDEF` is right angled at E .If `mangleD=60^(@)` ,then find the value of `(cotF+(1)/(sqrt(3) )

A

`3√3//2`

B

`4//√3`

C

`(2+2√3)/"√3"`

D

`7//2√3`

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The correct Answer is:

B

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