Trig Ratios on the X and Y-Axes: Using Coordinates of the Unit Circle
Interactive Video
•
Mathematics
•
1st - 6th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
This video tutorial explains the trigonometric ratios of sine, cosine, and tangent using the unit circle. It covers how to determine these ratios at quadrantal angles, where either the x or y coordinate is zero. The tutorial also discusses the conditions under which trigonometric ratios are undefined, emphasizing the importance of recognizing these angles in both degrees and radians. The lesson concludes with a summary of key concepts and examples to reinforce understanding.
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3 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What happens to the trig ratios when x is 0 on the y-axis?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Identify the angles that have a y-coordinate equal to 0.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you find the sine, cosine, and tangent of angles on the unit circle?
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