APP description

y=arccos(x) Graph

<table class="pure-table"> <tbody> <tr> <th>Y<br /> (Degrees)</th> <th>Y<br /> (Radian)</th> <th>X</th> </tr> <tr> <td>180 ̊</td> <td>π</td> <td>-1</td> </tr> <tr> <td>150 ̊</td> <td>5π/6</td> <td>-0.866025</td> </tr> <tr> <td>135 ̊</td> <td>3π/4</td> <td>-0.707107</td> </tr> <tr> <td>120 ̊</td> <td>2π/3</td> <td>-0.5</td> </tr> <tr> <td>90 ̊</td> <td>π/2</td> <td>0</td> </tr> <tr> <td>60 ̊</td> <td>π/3</td> <td>0.5</td> </tr> <tr> <td>45 ̊</td> <td>π/4</td> <td>0.707107</td> </tr> <tr> <td>30 ̊</td> <td>π/6</td> <td>0.866025</td> </tr> <tr> <td>0 ̊</td> <td>0</td> <td>1</td> </tr> </tbody> </table>

Usage example

arccos: 1

Click "=" to output the result

arccos 1 = cos⁻¹ 1 = 0º 0'0"

= 0º + k×360º (k=..-1,0,1,..)

= -360º, 0º, 360º, ..

= 0rad + k×2π (k=..-1,0,1,..)

= -2π, 0π, 2π, ..