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sin^(2)12^(0)+sin^(2)21^(0)+sin^(2)39^(0...

`sin^(2)12^(0)+sin^(2)21^(0)+sin^(2)39^(0)+ sin^(2)48^(2)-sin^(2)9^(0)- sin^(2) 18^(0)=`

A

0

B

1

C

`-1`

D

2

Text Solution

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The correct Answer is:
B
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