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The value of (sin 30^@-cos 60^@+ cot^2 4...

The value of `(sin 30^@-cos 60^@+ cot^2 45^@)/(cos 30^@-tan 45^@+sin 90^@)` is equal to :
`(sin 30^@-cos 60^@+ cot^2 45^@)/(cos 30^@-tan 45^@+sin 90^@)` का मान किसके बराबर है?

A

`(2 sqrt3)/3`

B

`sqrt3/2`

C

`3/2`

D

`sqrt3/4`

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