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 3A?
Cos 3A calculator uses Cos 3A = (4*Cos A^3)-(3*Cos A) to calculate the Cos 3A, The Cos 3A formula is defined as the trigonometric cosine function of thrice the given angle A. Cos 3A is denoted by cos 3A symbol.
How to calculate Cos 3A using this online calculator? To use this online calculator for Cos 3A, enter Cos A (cos A) and hit the calculate button. Here is how the Cos 3A calculation can be explained with given input values -> 0.502336 = (4*0.94^3)-(3*0.94).