How to Graph an Angle in Terms of PI

How to Graph an Angle in Terms of PI

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to determine if the cosine of an angle is positive or negative using the unit circle. It covers graphing the angle 7π/8, understanding π in terms of eighths, and identifying the terminal side of the angle. The tutorial concludes by determining the sign of the X coordinate in the second quadrant, emphasizing that it is negative.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the relationship between the cosine of an angle and the unit circle?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you represent 7π/8 in terms of eighths of a full circle?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to determine if a point on the unit circle is positive or negative.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What does it mean for an angle to be in the second quadrant in terms of its cosine value?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of graphing angles in standard position.

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