(sin^(2)1^(@) + sin^(@)3^(@) + sin^(2)5^...

`(sin^(2)1^(@) + sin^(@)3^(@) + sin^(2)5^(@) + ... + sin^(2) 85^(@) + sin^(2)87^(@) + sin^(2)89^(@))` का मान कितना होगा ?

A

`21(1)/(2)`

B

22

C

`22(1)/(2)`

D

`23(1)/(2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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