Annotated edit history of
atan(3) version 2 showing authors affecting page license.
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perry |
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ATAN |
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!!!ATAN |
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NAME |
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SYNOPSIS |
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DESCRIPTION |
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RETURN VALUE |
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CONFORMING TO |
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SEE ALSO |
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---- |
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!!NAME |
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atan - arc tangent function |
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!!SYNOPSIS |
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__#include |
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__ ''x''__); |
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__ |
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!!DESCRIPTION |
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The __atan()__ function calculates the arc tangent of |
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''x''; that is the value whose tangent is |
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''x''. |
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!!RETURN VALUE |
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The __atan()__ function returns the arc tangent in |
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radians and the value is mathematically defined to be |
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between -PI/2 and PI/2 (inclusive). |
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!!CONFORMING TO |
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SVID 3, POSIX, BSD 4.3, ISO 9899 |
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!!SEE ALSO |
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acos(3), asin(3), atan2(3), |
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cos(3), sin(3), tan(3) |
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