Write the expression as a single trigonometric function

Write the expression as a single trigonometric function

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial covers the use of three identities: sine, cosine, and tangent, focusing on the cosine formula for sum and difference. It explains how to apply the subtraction formula, using angles as examples, and emphasizes the importance of getting common denominators. The tutorial concludes with a clarification of the final answer and a review of the cosine formula.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the three identities mentioned for the sum and difference?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the process of finding the cosine of the difference of two angles.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of getting common denominators when subtracting angles?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the final answer choice derived from the subtraction of π/4 and π/3?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the formula for cosine of U minus V.

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