What is Trigonometry?
Trigonometry is the branch of mathematics that deals with the relationships between the angles and sides of triangles, particularly right triangles. It is used to study and describe properties such as lengths, angles, and areas of triangles, as well as the relationships between these properties and the properties of circles and other geometric shapes. Trigonometry is used in many fields, including physics, engineering, and navigation.
How to Calculate Cos (-A)?
Cos (-A) calculator uses Cos -A = 1*Cos A to calculate the Cos -A, The Cos (-A) formula is defined as the value of the trigonometric cosine function of negative of the given angle A. Cos -A is denoted by cos(-A) symbol.
How to calculate Cos (-A) using this online calculator? To use this online calculator for Cos (-A), enter Cos A (cos A) and hit the calculate button. Here is how the Cos (-A) calculation can be explained with given input values -> 0.94 = 1*0.94.