1 <page xmlns="http://projectmallard.org/1.0/"
6 <link type="guide" xref="index#equation"/>
9 <title>Trigonometry</title>
12 Trigonometry can be performed using the sin, cos, and tan <link xref="function">function</link>.
20 The angle units used can be changed from the <guiseq><gui>Calculator</gui><gui>Preferences</gui></guiseq> menu.
21 Trigonometry buttons are visible when in <link xref="mouse">scientific mode</link>.
24 Hyperbolic functions are available by adding "h" to the end of a function.
32 Inverse functions are entered either using the inverse symbol ⁻¹ (<keyseq><key>Ctrl</key><key>I</key></keyseq>) or the "a" form of the function.
33 The following two equations are equivalent.
44 To enter <link xref="variable">π</link> with the keyboard use <keyseq><key>Ctrl</key><key>P</key></keyseq>.