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Plot[100 * (2*Pi/(86400))^2 * 6.37x10^6*cos[x*Pi/180]^2/9.8, {x, 0, 90}]
Plot[100 * (2*Pi/(86400))^2 * 6.37x10^6*cos[x*Pi/180]^2/9.8, {x, 0, 90}]
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