Cos-1 using?

Hallo Gast!

How can I use cos -1 ?

Degree:

Gib

Deg   cos   -   1   =   Resultat   0.9998477

radians:

Gib

Rad   cos   -   1   =   Resultat   0.540302

Greetings

asinus :- )

 !

Hallo !

Possibly you mean this :   (Example !)

cos(50°) = 0,642787...

\(cos^{-1}=acos\)  

acos (0,642787...) = 50°

Gruß radix