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diff --git a/reference/C/MAN/acos.htm b/reference/C/MAN/acos.htm new file mode 100644 index 0000000..e8dce6a --- /dev/null +++ b/reference/C/MAN/acos.htm @@ -0,0 +1,102 @@ +<TITLE>acos</TITLE> +<body bgcolor="#ffffcc"> +<hr> +<pre> + + + +<h3>ACOS(3) Linux Programmer's Manual ACOS(3) +</h3> + +<h3>NAME +</h3> acos - arc cosine function + +<h3>SYNOPSIS +</h3> #include <math.h> + + double acos(double x); + +<h3>DESCRIPTION +</h3> The acos() function calculates the arc cosine of x; that + is the value whose cosine is x. If x falls outside the + range -1 to 1, acos() fails and errno is set. + +<h3>RETURN VALUE +</h3> The acos() function returns the arc cosine in radians and + the value is mathematically defined to be between 0 and PI + (inclusive). + +<h3>ERRORS +</h3> EDOM x is out of range. + +<h3>CONFORMING TO +</h3> SVID 3, POSIX, BSD 4.3, ISO 9899 + +</pre> +<hr> +<h3>SEE ALSO +</h3><p> +<a href=asin.htm>asin</a>, +<a href=atan.htm>atan</a>, +<a href=atan2.htm>atan2</a>, +<a href=cos.htm>cos</a>, +<a href=sin.htm>sin</a>, +<a href=tan.htm>tan</a>, +<pre> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + June 8, 1993 1 + + +
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