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The value of (tan13^@ tan37^@ tan 45^@ t...

The value of `(tan13^@ tan37^@ tan 45^@ tan 53^@ tan 77^@)/(2 cosec^2 60^@(cos^2 60^@-3cos 60^@+2))` is/
`(tan13^@ tan37^@ tan 45^@ tan 53^@ tan 77^@)/(2 cosec^2 60^@(cos^2 60^@-3cos 60^@+2))` का मान ज्ञात करें |

A

a)2

B

b)1

C

c)1.5

D

d)0.5

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