help!!!!!!!!

0

739

2

how do you make tan become tan-1

Guest May 25, 2016

edited by Guest May 25, 2016

0 users composing answers..

2⁺⁰ Answers

+118724

0

arc tan is the same as inverse tan

so use

[2nd] [atan]

Melody May 25, 2016

+9676

0

press 2nd button

MaxWong May 25, 2016

1 Online Users