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\sin ^{2} 0+\sin ^{2}\left(\frac{\pi}{6}\right)^{2}+\sin ^{2}\left(\frac{\pi}{3}\right)^{2}+\sin ^{2}\left(\frac{\pi}{2}\right)^{2} |
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Answer» 0+(1/2)(1/2)+(root(3)/2)(root(3)/2)+1*1=0+1/4+3/4+1=1+1=2 |
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