Composition of inverses using a triangle with variables

Composition of inverses using a triangle with variables

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains the concept of the unit circle, focusing on creating triangles and understanding the sine function. It highlights the importance of the hypotenuse being one in the unit circle, simplifying calculations. The Pythagorean theorem is used to find missing values, and the cosine function is calculated using the adjacent side. The tutorial emphasizes the relationship between the unit circle and trigonometric functions.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the hypotenuse in the unit circle?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the relationship between the sine and the Y coordinate in the unit circle?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to find the sine of an angle using the unit circle.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you apply the Pythagorean theorem in the context of the unit circle?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the formula for cosine in relation to the adjacent side and hypotenuse?

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