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

`sin^(2)1^(@)+sin^(2)2^(@)+sin^(2)3^(@)+ … + sin^(2)89^(@)=`

A

89

B

`44.5`

C

45

D

कोई नहीं

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Verified by Experts

The correct Answer is:

B

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