## Algebra and Trigonometry 10th Edition

True. $-\frac{\pi}{4}$ lies in the range of $arctan~x$
The range of $y=arctan~x$ is $(-\frac{\pi}{2},\frac{\pi}{2})$ and $-\frac{\pi}{2}\lt-\frac{\pi}{4}\lt\frac{\pi}{2}$