fx-82MS fx-82TL fx-9860GII TI-83
tan⁻¹
On a Casio calculator you can calculate the inverse tangent
SHIFT tan⁻¹ F tan
Example 1
To calculate tan-1(0) = 0
SHIFT tan⁻¹ F tan 0 = tan-1 0
0.
Example 1
To calculate tan-1(1) = 0
SHIFT tan⁻¹ F tan 1 = tan-1 1
45.
