cos 1^(@) cos2^(@)cos3^(@)...cos177^(@)c...

`cos 1^(@) cos2^(@)cos3^(@)...cos177^(@)cos 178^(@)cos179^(@)` का मान कितना है ?

A

0

B

`(1)/(2)`

C

1

D

`(1)/(sqrt(2))`

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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