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# Arccos Calculator

To calculate the arccos or inverse of the cosine, select the mode from degree or radian and input the value using this arccos calculator with steps.

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Table of Contents:

## How to use this arc cosine calculator?

To find the arccos or inverse of the cosine follows the below steps.

- Select the result mode from the degree or radian.
- Enter the number in the input box.
- Hit the calculate button.
- Press the reset button to again use.

In the output, you will get the result in your respective form i-e radian or degree with step by step solution using this inverse of the cosine calculator.

## Table of arc cosine value

Some solved arccos values by our arc cosine calculator are given in the below table.

Arccos of | In degree | In radian |

arccos of 1 | 0 | 0 |

arccos of 1/2 | 60 | 1.0472 |

arccos of 1/4 | 75.52 | 1.318 |

arccos of 1/3 | 70.53 | 1.231 |

arccos of 1/root 2 | 45 | 0.78539 |

arccos of 12/13 | 22.62 | 0.3948 |

arccos of 15/17 | 28.07 | 0.49 |

arccos of 16/20 | 36.87 | 0.6435 |

arccos of negative 1/2 | 120 | 2.0944 |

arccos of cos-1 | arccos | arccos |

arccos of infinity | no value | no value |

arccos of sqrt 2/2 | undefined | undefined |

arccos of 3/4 | 41.41 | 0.7227 |

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