Statement I : `sin^2pi/8+sin^2(3pi)/8+sin^2(5pi)/8+sin^2(7pi)/8=2` Statement II `cos^2pi/8+cos^2(3pi)/8+cos^2(5pi)/8+cos^2(7pi/8

Statement I : `sin^2pi/8+sin^2(3pi)/8+sin^2(5pi)/8+sin^2(7pi)/8=2` Statement II `cos^2pi/8+cos^2(3pi)/8+cos^2(5pi)/8+cos^2(7pi/8)=2` Statement III: `sin^2pi/8+sin^(3pi)/8+sin^2(5pi)/8sin^2(7pi)/8=3/2`
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Statement I : `sin^2pi/8+sin^2(3pi)/8+sin^2(5pi)/8+sin^2(7pi)/8=2` Statement II `cos^2pi/8+cos^2(3pi)/8+cos^2(5pi)/8+cos^2(7pi/8)=2` Statement III: `s

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