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java.lang.Objectcds.astro.Trigo
Trigonometric functions. Extracted from Class Coo
| Field Summary | |
static double |
DEG
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| Constructor Summary | |
Trigo()
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| Method Summary | |
static double |
asinc(double x)
Function asinc(x), inverse function of sinc |
static double |
asind(double x)
sin-1 (inverse function of sine), gives argument in degrees |
static double |
atan2d(double y,
double x)
get the polar angle from 2-D cartesian coordinates |
static double |
atand(double x)
tan-1 (inverse function of tangent), gives argument in degrees |
static double |
atanh(double x)
tanh-1 (inverse function of tanh) |
static double |
cosd(double x)
Cosine when argument in degrees |
static double |
cosh(double x)
Hyperbolic cosine cosh = (exp(x) + exp(-x))/2 |
static double |
sinc(double x)
Function sinc(x) = sin(x)/x |
static double |
sind(double x)
Sin when argument in degrees |
static double |
tanh(double x)
Hyperbolic tangent = (exp(x)-exp(-x))/(exp(x)+exp(-x)) |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
public static final double DEG
| Constructor Detail |
public Trigo()
| Method Detail |
public static final double cosd(double x)
x - angle in degrees
public static final double sind(double x)
x - angle in degrees
public static final double asind(double x)
x - argument
public static final double atand(double x)
x - argument
public static final double atan2d(double y,
double x)
y - cartesian y coordinatex - cartesian x coordinate
public static final double cosh(double x)
x - argument
public static final double tanh(double x)
x - argument
public static final double atanh(double x)
x - argument, in range ]-1, 1[ (NaN returned otherwise)
public static final double sinc(double x)
x - argument (radians)
public static final double asinc(double x)
x - argument
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