sin ^(2) 5 ^(@) + sin ^(2) 10 ^(@) + sin...

`sin ^(2) 5 ^(@) + sin ^(2) 10 ^(@) + sin^(2) 15 ^(@) + ... + sin ^(2) 90^(@) is ` equal to : a)`8 (1)/(2)` b)`9` c)`9 (1)/(2)` d)`4 (1)/(2)`

A

`8 (1)/(2)`

B

`9`

C

`9 (1)/(2)`

D

`4 (1)/(2)`

Verified by Experts

The correct Answer is:

C

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