Evaluate the Inverse Tan of Negative One

The video tutorial explains how to find the inverse tangent of -1 by using the unit circle and understanding the tangent function. It covers the key angles on the unit circle, how to identify angles that produce a tangent of 1, and the restrictions for inverse tangent values. The tutorial concludes by addressing common mistakes students make, such as choosing angles outside the allowed range.

What are the restrictions on the inverse tangent function?

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Why is -5π/4 not a valid answer for the inverse tangent in this context?

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