How to find the reference angle | 16 Examples

This video tutorial explains how to determine reference angles, emphasizing their importance in understanding the unit circle and evaluating trigonometric expressions. The instructor provides a detailed overview of reference angles, including their definition as the positive acute angle between the terminal side and the X-axis. The video includes examples of calculating reference angles in both degrees and radians, highlighting the importance of understanding rather than memorizing rules. The tutorial concludes with a discussion on the application of reference angles in evaluating trigonometric functions.

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