Litipk\BigNumbers\Decimal::tan PHP Méthode

Decimal Class Documentation Afficher le fichier Open project: litipk/php-bignumbers

tan() public méthode

Calculates the tangent of this method with the highest possible accuracy Note that accuracy is limited by the accuracy of predefined PI;

public tan ( integer $scale = null ) : Decimal
$scale	integer
Résultat	Decimal	tan($this)

    public function tan($scale = null)
    {
        $cos = $this->cos($scale + 2);
        if ($cos->isZero()) {
            throw new \DomainException("The tangent of this 'angle' is undefined.");
        }
        return $this->sin($scale + 2)->div($cos)->round($scale);
    }

Decimal

__clone

__construct

__toString

abs

add

additiveInverse

arccos

arccot

arccsc

arcsec

arcsin