(tan 13^(@) tan37^(@) tan45^(@) tan53^(@...

`(tan 13^(@) tan37^(@) tan45^(@) tan53^(@) tan77^(@))/(2 cosec^(2)60^(@) (cos^(2)60^(@)-3cos60^(@) +2))` का मान है-

A

2

B

1

C

`(3)/(2)`

D

`(1)/(2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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