Litipk\BigNumbers\Decimal::sec PHP Method

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

sec() public method

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

public sec ( integer $scale = null ) : Decimal
$scale	integer
return	Decimal

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

Decimal

__clone

__construct

__toString

abs

add

additiveInverse

arccos

arccot

arccsc

arcsec

arcsin