Learn how to evaluate for an angle by sketching the angle and using reference angles

The video tutorial covers graphing angles in standard form, focusing on breaking angles into thirds and understanding negative directions. It explains reference angles, emphasizing their acute and positive nature. The tutorial also evaluates trigonometric functions using reference angles, highlighting the importance of understanding 30-60-90 triangles. Finally, it prepares students for a quiz by reviewing key concepts and the unit circle.

What are the steps to evaluate a 30-60-90 triangle?

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Describe how to evaluate sine, cosine, and tangent for an angle in the second quadrant.

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How can you relate the cosine of an angle to its reference angle?

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