It's labelled with the {eq}\tan^{-1} {/eq} symbol rather than {eq}\arctan {/eq}. After first pressing the "second function" or "shift" button on the calculator, pressing the {eq}\tan {/eq} button will trigger the arctangent function. The output value will be an angle, which ...
Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.