動物就得動感十足
Sin and Cos in Surds - Financial Markets and Electoral Systems動物就得動感十足 Sin and Cos expressed in square roots, simplified with rationalised denominators ... The table shows Sin[] and Cos[] in surds, for angles that are integer multiples of 3 or of 5⅝ = 90 /16. The surds are shown in several formats....
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