Online Calculators & Tools

arccos(*x*) = cos^{-1}(*x*)

Rule name | Rule |
---|---|

Cosine of arccosine | cos( arccos x ) = x |

Arccosine of cosine | arccos( cos x ) = x + 2kπ, when k∈ℤ (k is integer) |

Arccos of negative argument | arccos(-x) = π - arccos x = 180° - arccos x |

Complementary angles | arccos x = π/2 - arcsin x= 90° - arcsin x |

Arccos sum | arccos(α) + arccos(β) =arccos( αβ - √(1-α^{2})(1-β^{2}) ) |

Arccos difference | arccos(α) - arccos(β) =arccos( αβ + √(1-α^{2})(1-β^{2}) ) |

Arccos of sin of x | arccos( sin x ) = -x - (2k+0.5)π |

Sine of arccosine | |

Tangent of arccosine | |

Derivative of arccosine | |

Indefinite integral of arccosine |

x | arccos(x) | |
---|---|---|

degrees | radians | |

-1 | 180° | π |

-0.8660254 | 150° | 5π/6 |

-0.7071068 | 135° | 3π/4 |

-0.5 | 120° | 2π/3 |

0 | 90° | π/2 |

0.5 | 60° | π/3 |

0.7071068 | 45° | π/4 |

0.8660254 | 30° | π/6 |

1 | 0° | 0 |

An Arccos Calculator, also known as an arccosine calculator, is a valuable tool for computing the arccosine function of an angle, typically expressed in radians. Arccosine, abbreviated as arccos or acos, is the cosine's inverse trigonometric function.. It comes back with the angle whose cosine is the specified value. Our online Arccos Calculator provides a convenient way to perform these calculations accurately and efficiently.

Our arccos online calculator is perfect for students, educators, engineers, and anyone else who needs to compute arccosine values quickly and accurately. Whether you're working on trigonometry problems, engineering calculations, or mathematical modeling, our calculator simplifies the process and ensures precise results every time.

Moreover, our Arccos Calculator is accessible online, eliminating the need for manual calculations or specialized software. You can use it anytime, anywhere, from any internet-enabled device, whether it's a computer, tablet, or smartphone. This convenience ensures that you have access to accurate arccosine calculations whenever you need them.

Furthermore, our arccos online calculator is designed with user-friendliness in mind, featuring a clean and intuitive interface that makes it easy to input values and obtain results. Whether you're a math novice or a seasoned professional, our calculator provides a seamless user experience that streamlines your workflow and saves you time.

In summary, our Arccos Calculator offers a range of features and benefits to meet your mathematical needs. Whether you're a student, educator, engineer, or enthusiast, our calculator provides a reliable and user-friendly solution for computing arccosine values accurately and efficiently. Try it now and discover the convenience of precise arccos calculations at your fingertips!