Definition: Arctan is the inverse function of the tangent function which is the ratio of the side opposite an angle divided by the side adjacent to the angle (i.e., tan = opposite/adjacent). It is ...

Abstract: Inverse tangent or arctangent function has many applications, for example, in estimating the phase angle of complex number utilized in electrical ac circuit analysis, power systems analysis, ...

Inverse functions are used to cancel the effect of one function in mathematics, the inverse function is also known as the anti function and it is defined as “It is a function which can reverse the ...