fx-82MS fx-82TL fx-9860GII TI-83
cosh-1
On a TI calculator you can find the inverse hyperbolic cosine via the CATALOG as
CATALOG ⎵ 2nd 0 ►cosh⁻¹( ENTER
Example 1
To calculate cosh-1(1) = 0
CATALOG ⎵
2nd 0 ►cosh⁻¹( ENTER cosh⁻¹( 0 ENTER cosh⁻¹(1 0
Example 2
To calculate cosh-1(72) = 4.969765071…°
CATALOG 2nd 0 ►cosh⁻¹( ENTER cosh⁻¹( 7 2 ENTER cosh⁻¹(72 4.969765071