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50 reciprocal functions
sin(x) = ↑x ┆ cos(x) = →x ┆ tan(x) = ↗x ┆ cot(x) = ↙x ┆ sec(x) = ←x ┆ csc(x) = ↓
http://qindex.info/i.php?x=3671
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reciprocal functions
http://qindex.info/i.php?x=9673
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