Tangents And Tables

Geometry Level 1

$\tan 25^\circ \qquad \tan 35^\circ \qquad \tan 45^\circ \qquad \tan55^\circ \qquad \tan 65^\circ$

The above shows 5 numbers. The reciprocal of each of these numbers is equal to another number in this list, except for one. Which one?

\tan25^\circ

\tan35^\circ

\tan45^\circ

\tan55^\circ

\tan65^\circ