Tabellenboek Exact/Goniometrie Definities

sinus	$sin(\alpha )\ =\ {\frac {BC}{AB}}$
cosinus	$cos(\alpha )\ =\ {\frac {AC}{AB}}$
tangens	$tg(\alpha )\ =\ {\frac {BC}{AC}}$
cotangens	$cotg(\alpha )\ =\ {\frac {AC}{BC}}$