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Annotation of researchv10dc/man/adm/man3/sin.3, revision 1.1

1.1     ! root        1: .TH SIN 3M
        !             2: .CT 2 math
        !             3: .SH NAME
        !             4: sin, cos, tan, asin, acos, atan, atan2 \(mi trigonometric functions
        !             5: .SH SYNOPSIS
        !             6: .nf
        !             7: .B #include <math.h>
        !             8: .PP
        !             9: .B double sin(x)
        !            10: .B double x;
        !            11: .PP
        !            12: .B double cos(x)
        !            13: .B double x;
        !            14: .PP
        !            15: .B double tan(x)
        !            16: .B double x;
        !            17: .PP
        !            18: .B double asin(x)
        !            19: .B double x;
        !            20: .PP
        !            21: .B double acos(x)
        !            22: .B double x;
        !            23: .PP
        !            24: .B double atan(x)
        !            25: .B double x;
        !            26: .PP
        !            27: .B double atan2(y, x)
        !            28: .B double x, y;
        !            29: .fi
        !            30: .SH DESCRIPTION
        !            31: .I Sin, cos
        !            32: and
        !            33: .I tan
        !            34: return trigonometric functions of radian arguments.
        !            35: The magnitude of the argument should be checked
        !            36: by the caller to make sure the result is meaningful.
        !            37: .PP
        !            38: .I Asin
        !            39: returns the arc sin in the range \-\(*p/2 to \(*p/2.
        !            40: .PP
        !            41: .I Acos
        !            42: returns the arc cosine in the range
        !            43: 0 to \(*p.
        !            44: .PP
        !            45: .I Atan
        !            46: returns the arc tangent of
        !            47: .I x
        !            48: in the range \-\(*p/2 to \(*p/2.
        !            49: .PP
        !            50: .I Atan2
        !            51: returns the arc tangent of
        !            52: .I y/x
        !            53: in the range \-\(*p to \(*p.
        !            54: .SH DIAGNOSTICS
        !            55: Arguments of magnitude greater than 1
        !            56: cause
        !            57: .I asin
        !            58: and
        !            59: .I acos
        !            60: to return value 0;
        !            61: .I errno
        !            62: is set to
        !            63: .LR EDOM .
        !            64: The value of
        !            65: .I tan
        !            66: at its singular points is a huge number, and
        !            67: .I errno
        !            68: is set to
        !            69: .LR ERANGE .
        !            70: .SH BUGS
        !            71: The value of
        !            72: .I tan
        !            73: for arguments greater than about 2\u\s-231\s+2\d is garbage.

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