Umrechnung in andere trigonometrische Funktionen


$\displaystyle \sin ( \arccos x) = \cos ( \arcsin x)$ $\displaystyle =$ $\displaystyle \sqrt{1 - x^2}$  
$\displaystyle \sin ( \arctan x)$ $\displaystyle =$ $\displaystyle \frac{x}{ \sqrt{1 + x^2} }$  
$\displaystyle \cos ( \arctan x)$ $\displaystyle =$ $\displaystyle \frac{1}{ \sqrt{1 + x^2} }$  
$\displaystyle \tan ( \arcsin x)$ $\displaystyle =$ $\displaystyle \frac{x}{ \sqrt{1 - x^2} }$  
$\displaystyle \tan ( \arccos x)$ $\displaystyle =$ $\displaystyle \frac{ \sqrt{1 - x^2} }{x}$