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Annotation of 43BSDReno/old/libm/man/sin.3, revision 1.1

1.1     ! root        1: .\"    @(#)sin.3       6.1 (Berkeley) 5/15/85
        !             2: .\"
        !             3: .TH SIN 3M  "May 15, 1985"
        !             4: .AT 3
        !             5: .SH NAME
        !             6: sin, cos, tan, asin, acos, atan, atan2 \- trigonometric functions
        !             7: .SH SYNOPSIS
        !             8: .nf
        !             9: .B #include <math.h>
        !            10: .PP
        !            11: .B double sin(x)
        !            12: .B double x;
        !            13: .PP
        !            14: .B double cos(x)
        !            15: .B double x;
        !            16: .PP
        !            17: .B double asin(x)
        !            18: .B double x;
        !            19: .PP
        !            20: .B double acos(x)
        !            21: .B double x;
        !            22: .PP
        !            23: .B double atan(x)
        !            24: .B double x;
        !            25: .PP
        !            26: .B double atan2(x, y)
        !            27: .B double x, y;
        !            28: .fi
        !            29: .SH DESCRIPTION
        !            30: .I Sin, cos
        !            31: and
        !            32: .I tan
        !            33: return trigonometric functions of radian arguments.
        !            34: The magnitude of the argument should be checked
        !            35: by the caller to make sure the result is meaningful.
        !            36: .PP
        !            37: .I Asin
        !            38: returns the arc sin in the range \-\(*p/2 to \(*p/2.
        !            39: .PP
        !            40: .I Acos
        !            41: returns the arc cosine in the range 0 to \(*p.
        !            42: .PP
        !            43: .I Atan
        !            44: returns the arc tangent of
        !            45: .I x
        !            46: in the range \-\(*p/2 to \(*p/2.
        !            47: .PP
        !            48: .I Atan2
        !            49: returns the arc tangent of
        !            50: .I x/y
        !            51: in the range \-\(*p to \(*p.
        !            52: .SH DIAGNOSTICS
        !            53: Arguments of magnitude greater than 1 cause
        !            54: .I asin
        !            55: and
        !            56: .I acos
        !            57: to return value 0;
        !            58: .I errno
        !            59: is set to EDOM.  The value of
        !            60: .I tan
        !            61: at its singular points is a huge number, and
        !            62: .I errno
        !            63: is set to ERANGE.
        !            64: .SH BUGS
        !            65: The value of
        !            66: .I tan
        !            67: for arguments greater than about 2**31 is garbage.

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