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sin ^2 5^@ + sin ^2 10^@ + sin ^2 1...

` sin ^2 5^@ + sin ^2 10^@ + sin ^2 15 ^2 + …….. + sin^2 90^2 =`

A

`8 (1)/(2)`

B

` 9`

C

`9 (1) /(2) `

D

` 4 (1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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