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Annotation of 43BSD/contrib/icon/man/cat3/trig.3, revision 1.1

1.1     ! root        1: 
        !             2: 
        !             3: 
        !             4: TRIG(3.icon)          Icon Program Library           TRIG(3.icon)
        !             5: 
        !             6: 
        !             7: 
        !             8: NNNNAAAAMMMMEEEE
        !             9:      sin, cos, tan, asin, acos, atan, atan2, dtor, rtod - tri-
        !            10:      gonometric functions
        !            11: 
        !            12: SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
        !            13:      ssssiiiinnnn((((xxxx))))
        !            14:      ccccoooossss((((xxxx))))
        !            15:      ttttaaaannnn((((xxxx))))
        !            16:      aaaassssiiiinnnn((((xxxx))))
        !            17:      aaaaccccoooossss((((xxxx))))
        !            18:      aaaattttaaaannnn((((xxxx))))
        !            19:      aaaattttaaaannnn2222((((xxxx,,,,yyyy))))
        !            20:      ddddttttoooorrrr((((xxxx))))
        !            21:      rrrrttttoooodddd((((xxxx))))
        !            22: 
        !            23: DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
        !            24:      ssssiiiinnnn, ccccoooossss, and ttttaaaannnn return trigonometric functions of radian
        !            25:      arguments. The magnitude of the argument should be checked
        !            26:      by the caller to make sure that the result is meaningful.
        !            27: 
        !            28:      aaaassssiiiinnnn returns the arc sin in the range -/2 to /2.
        !            29: 
        !            30:      aaaaccccoooossss returns the arc cosine in the range 0 to .
        !            31: 
        !            32:      aaaattttaaaannnn returns the arc tangent in the range -/2 to /2.
        !            33: 
        !            34:      aaaattttaaaannnn2222 returns the tangent of xxxx/yyyy in the range - to .
        !            35: 
        !            36:      ddddttttoooorrrr converts degrees to radians, while rrrrttttoooodddd converts radi-
        !            37:      ans to degrees.
        !            38: 
        !            39:      The C math library (----llllmmmm)  must be loaded with these func-
        !            40:      tions.
        !            41: 
        !            42: DDDDIIIIAAAAGGGGNNNNOOOOSSSSTTTTIIIICCCCSSSS
        !            43:      Run-time error 251 occurs if the magnitude of the argument
        !            44:      to aaaassssiiiinnnn or aaaaccccoooossss is greater than 1.
        !            45: 
        !            46:      Run-time error 252 occurs for the singular points of ttttaaaannnn.
        !            47: 
        !            48: BBBBUUUUGGGGSSSS
        !            49:      The value of ttttaaaannnn for arguments greater than about 231 is
        !            50:      garbage.
        !            51: 
        !            52: SSSSEEEEEEEE AAAALLLLSSSSOOOO
        !            53:      sin(3m)
        !            54: 
        !            55: AAAAUUUUTTTTHHHHOOOORRRRSSSS
        !            56:      Ralph E. Griswold and Stephen B. Wampler
        !            57: 
        !            58: 
        !            59: 
        !            60: 
        !            61: 
        !            62: 
        !            63: Version 5.9    The University of Arizona - 8/12/84              1
        !            64: 
        !            65: 
        !            66: 

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