Arccotangent is a mathematical term used in trigonometry to refer to the inverse function of cotangent. It is denoted by the symbol cot^-1 or arccot. However, there are other terms that can be used interchangeably with arccotangent. These include arc cot, inverse cotangent, and arccotan. These synonyms can be used to solve trigonometry problems involving angles, lines, and right triangles. For instance, they can be used to find the angle that has a given cotangent value or the length of a line segment. In conclusion, knowing the synonyms for arccotangent can help in better understanding of trigonometry and solving mathematical problems.