Litipk\BigNumbers\Decimal::cotan PHP Method

Decimal Class Documentation Mostrar archivo Open project: litipk/php-bignumbers

cotan() public method

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

public cotan ( integer $scale = null ) : Decimal
$scale	integer
return	Decimal	cotan($this)

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

Decimal

__clone

__construct

__toString

abs

add

additiveInverse

arccos

arccot

arccsc

arcsec

arcsin