# Trigonometry

A trigonometría pódese realizar usando as funcións sen, cos e tan.

sen 45

The angle units used can be changed from the Calculator Preferences menu. Trigonometry buttons are visible when in Advanced mode.

As funcións hiperbólicas están dispoñíbeis engadindo unha «h» ao final da función.

sinh 0.34

Inverse functions are entered either using the inverse symbol ⁻¹ (Ctrl I) or the "a" form of the function. The following two equations are equivalent.

sin⁻¹ 0.5

asin 0.5

To enter π with the keyboard use Ctrl P.