Arc cosine
trigonometry. the angle, measured in radians, that has a cosine equal to a given number. symbol: cos −1.
abbreviation: arc cos;
arc cosine
the inverse of the cosine function.
Read Also:
- Arc cotangent
the angle, measured in radians, that has a cotangent equal to a given number. symbol: cot −1. abbreviation: arc cot. arc cotangent the inverse of the cotangent function.
- Arc cos
. arc cosine
- Arc cot
. arc cotangent
- Arc csc
. arc cosecant
- Arc furnace
a furnace in which heat is generated by an electric arc. historical examples elihu thomson’s process of welding by means of the arc furnace found wide and varied applications. the age of invention holland thompson noun a furnace in which the charge is heated by an electric arc