8.147. Math::Trig
Defines many trigonometric functions
not defined by the core Perl, plus the constant pi
and some additional functions for converting angles. For example:
use Math::Trig;
            
$x = tan(0.9);
$halfpi = pi/2;
The following functions are defined. A slash (/)
between two functions means the values are aliases.
- acsc/acosec, asec, acot/acotan
 
- 
Arcus cofunctions of sine, cosine, and tangent
 
- acsch/acosech, asech, acoth/acotanh
 
- 
Arcus cofunctions of hyperbolic sine, cosine, and tangent
 
- asin, acos, atan
 
- 
Arcus (inverse) functions of sine, cosine, and tangent
 
- asinh, acosh, atanh
 
- 
Arcus functions of hyperbolic sine, cosine, and tangent
 
- atan2(y, x)
 
- 
Principal value of arc tangent of
y/x
 
- csc/cosec, sec, cot/cotan
 
- 
Cofunctions of sine, cosine, and tangent
 
- csch/cosech, sech, coth/cotanh
 
- 
Cofunctions of hyperbolic sine, cosine, and tangent
 
- deg2rad
 
- 
Degrees to radians
 
- deg2grad
 
- 
Degrees to gradians
 
- grad2deg
 
- 
Gradians to degrees
 
- grad2rad
 
- 
Gradians to radians
 
- pi
 
- 
The trigonometric constant 
 
- rad2deg
 
- 
Radians to degrees
 
- rad2grad
 
- 
Radians to gradians
 
- sinh, cosh, tanh
 
- 
Hyperbolic sine, cosine, and tangent
 
- tan
 
- 
Tangent
 
  |   |   | 
| 8.146. Math::Complex |   | 8.148. MIME::Base64 | 
 
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