What algorithm does the calculator use to figure out sine cosine tangent sine-1 cosine-1 and tangent-1?
See http://web2.0calc.com/questions/how-is-sine-determined-without-a-calculator for another possibility.
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I don't know for sure, but my guess is that it uses a Taylor/Maclaurin series.
See http://web2.0calc.com/questions/how-is-sine-determined-without-a-calculator for another possibility.
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