Learn how to evaluate for an angle by sketching the angle and using reference angles
Interactive Video
•
Mathematics
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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.
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3 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What are the steps to evaluate a 30-60-90 triangle?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Describe how to evaluate sine, cosine, and tangent for an angle in the second quadrant.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
How can you relate the cosine of an angle to its reference angle?
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