Otras funciones trigonométricas#
Fig. 27 Rogawski Calculus, Second Edition Copyright © 2012 W. H. Freeman and Company#
\[
\tan x=\frac{\sin x}{\cos x} = \frac{b}{a},\qquad \cot x=\frac{\cos x}{\sin x}=\frac{a}{b}
\]
\[
\sec x=\frac{1}{\cos x}=\frac{c}{a},\qquad\csc x=\frac{1}{\sin x}=\frac{c}{b}
\]
Fig. 28 Rogawski Calculus, Second Edition Copyright © 2012 W. H. Freeman and Company#
La tangente#
