Solve trigonometric equation by factoring with sine and cosine

Solve trigonometric equation by factoring with sine and cosine

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to isolate and solve trigonometric functions using factoring and inverse operations. It covers the process of factoring out common elements, solving equations using the unit circle, and identifying angles where cosine and sine meet specific conditions. The tutorial also discusses reference angles and their positions in different quadrants.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the first step to isolate trigonometric functions in an equation?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to check your answers after factoring trigonometric functions.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the angles where cosine of X equals zero between 0 and 2π?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

When is sine of X equal to 1/2, and what angles correspond to this value?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how to determine the angle in the second quadrant when the reference angle is π/6.

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