| # | Line 60 | Line 60 | trigonometric functions. | |
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| 60 | inverse trigonometric functions. | |
| 61 | .TP | |
| 62 | .BR "atan2(y, x)" | |
| 63 | < | inverse tangent of y/x (range -pi to pi). |
| 63 | > | inverse tangent of y/x (range \-pi to pi). |
| 64 | .SH EXAMPLE | |
| 65 | To pass the square root of two and the sine of .5 to a program: | |
| 66 | .IP "" .2i | |
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