| # | Line 128 | Line 128 | trigonometric functions. | |
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| 128 | inverse trigonometric functions. | |
| 129 | .TP | |
| 130 | .BR "atan2(y, x)" | |
| 131 | < | inverse tangent of y/x (range -pi to pi). |
| 131 | > | inverse tangent of y/x (range \-pi to pi). |
| 132 | .SH AUTHOR | |
| 133 | Greg Ward | |
| 134 | .SH "SEE ALSO" | |
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