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Annotation of coherent/a/usr/man/ALL/atan2, revision 1.1.1.1

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                      3: atan2()                Mathematics Function               atan2()
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                      8: Calculate inverse tangent
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                     10: ddoouubbllee aattaann22(_n_u_m, _d_e_n) ddoouubbllee _n_u_m, _d_e_n;
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                     12: atan2 calculates  the inverse tangent of the  quotient of its ar-
                     13: guments  num/den.  num  and  den may  be any  real numbers.   The
                     14: result will be in the range [-P, P].  The sign of the result will
                     15: have the same sign as _n_u_m, and the cosine will have the same sign
                     16: as _d_e_n.
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                     18: ***** Example *****
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                     20: For an example of this function, see the entry for acos.
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                     22: ***** See Also *****
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                     24: errno, mathematics library
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                     64: COHERENT Lexicon                                           Page 1
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