पदसहती sin^(2)1^(@) + sin^(2)11^(@) + si...

पदसहती `sin^(2)1^(@) + sin^(2)11^(@) + sin^(2)21^(@) + sin^(2)31^(@) + sin^(2)41^(@) + sin^(2)45^(@) + sin^(2)49^(@) + sin^(2)59^(@) + sin^(2)69^(@) + sin^(2)79^(@) + sin^(2)89^(@)` का मान क्या होगा ?

A

0

B

`5(1)/(2)`

C

5

D

`4(1)/(2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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