How to apply factoring to solve a trigonometric equation

How to apply factoring to solve a trigonometric equation

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

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Quizizz Content

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The video tutorial covers the application of trigonometric identities, specifically the Pythagorean identities, to solve equations involving sine and cosine. It explains the process of factoring and simplifying equations, and how to solve them by setting them to zero. The tutorial also discusses using the unit circle to find angle solutions, emphasizing the importance of understanding the relationship between angles and trigonometric functions.

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10 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the Pythagorean identity involving sine and cosine?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How can sine squared be expressed in terms of cosine squared?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the process of solving for X in the equation cosine squared of X minus cosine of X equals zero.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What steps are taken to factor the equation involving cosine squared?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the unit circle in determining the values of cosine?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how to find all values of X for the equation cosine of X equals one.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the angles where cosine equals one?

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