Simplifying an expression using the sum formula for sine

Simplifying an expression using the sum formula for sine

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains the formula for the sum of two angles, demonstrating how to apply it using specific values for angles U and V. The instructor guides students through plugging these values into the formula and evaluating the result using the unit circle. The tutorial emphasizes understanding the sine and cosine functions and their coordinates on the unit circle.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the formula for the sine of the sum of two angles?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to plug values into the sine formula for angles U and V.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you evaluate the sine of 3π/2 using the unit circle?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What coordinates correspond to the angle 3π/2 on the unit circle?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the result of evaluating sine of 3π/2 times cosine of Theta?

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