Make sure your angles are in units of radians (not degrees), where 2Ï€ radians = 360 degrees. But after that you will get the ...
Though the exact length of a "stadia" is unknown, his measurement is thought to be accurate to within one percent of the ...
Using computer technology to create three-dimensional models of the earth's mantle, Purdue's Scott King has found evidence that some dramatic features of the earth's surface could be the result of ...
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