# Inverse Trigonometric Functions

In this post we define Inverse Trigonometric Functions and also their domain and range. If you want to see their related topics then click here

 Function Range               and           Domain y = sin-1 x $-\frac{\pi}{2}&space;\leq&space;y&space;\leq&space;\frac{\pi}{2}\,\,\,\&space;,&space;\,\,\,\&space;-1&space;\leq&space;x&space;\leq&space;1$ y = cos-1 x $0&space;\leq&space;y&space;\leq&space;\pi&space;\,\,\,\&space;,&space;\,\,\,\&space;-1&space;\leq&space;x&space;\leq&space;1$ y = tan-1 x $-\frac{\pi}{2}&space;<&space;y&space;<&space;\frac{\pi}{2}\,\,\,\&space;,&space;\,\,\,\&space;-\infty&space;<&space;x&space;<&space;\infty$