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The value of sin 60^@ cos 30^@-cos 60^@ ...

The value of `sin 60^@ cos 30^@-cos 60^@ sin30^@` is:
`sin 60^@ cos 30^@-cos 60^@ sin30^@` का मान है:

A

`1/2`

B

`1/sqrt2`

C

1

D

`sqrt3/2`

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