Assertion: trigonometric function | /r/HasProperty | approximated by arithmetic-geometric mean
Facets:
value: for very high precision calculations
type: OTHER
Source sentences:
text: For very high precision calculations, when series-expansion convergence becomes too slow, trigonometric functions can be approximated by the arithmetic-geometric mean, which itself approximates the trigonometric function by the (complex) elliptic integral (Brent, 1976).