How to remember the points on the unit circle

How to remember the points on the unit circle

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to identify and use special triangles, focusing on the 30, 45, and 60-degree angles. It covers the use of fractions with a denominator of 2 and demonstrates how to quickly rewrite these points using square roots. The tutorial also discusses the impact of quadrant positions on the signs of the values, providing a quick method to remember these concepts.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the three special triangles mentioned in the text?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What method does the teacher use to quickly rewrite the special triangles?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How are the values of the special triangles represented in terms of fractions?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the denominator in the fractions of the special triangles?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how the values change when moving to different quadrants.

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