Pchp.Library.PhpMath.acos C# (CSharp) Метод

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acos() публичный статический Метод

Returns the arc cosine of arg in radians. acos() is the complementary function of cos(), which means that x==cos(acos(x)) for every value of a that is within acos()' range.
public static acos ( double x ) : double
x double The argument to process.
Результат double 
		public static double acos(double x)
        {
            return Math.Acos(x);
        }
PhpMath
AbsolutizeRange
BaseToDouble
ConvertToLong
DoubleToBase
FindExtreme
GetExtreme
Power10Value
Random01
RoundInternal
_Log10Abs
abs
acos
acosh
asin
asinh
atan
atan2
atanh
base_convert
bindec
ceil
cos
cosh
decbin
dechex
decoct
deg2rad
exp
expm1
floor
fmod
getrandmax
hexdec
hypot
is_finite
is_infinite
is_nan
lcg_value
log
log10
log1p
max
min
mt_getrandmax
mt_rand
mt_srand
octdec
pi
pow
rad2deg
rand
round
sin
sinh
sqrt
srand
tan
tanh
uniqid