Learn to solve multiple angles in trigonometry

Learn to solve multiple angles in trigonometry

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to solve a trigonometric equation involving sine squared of 2X. The instructor guides students through simplifying the equation, solving for X, and rationalizing the denominator. The tutorial emphasizes understanding the patterns in solutions and the importance of not being confused by the 2X inside the function. The instructor also addresses common mistakes and clarifies when to add π to find additional solutions.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the first step to solve the equation involving sine squared of 2X?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain why the teacher suggests to forget about the 2X inside the function initially.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of dividing by two in the context of the problem?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the teacher rationalize the denominator when solving for sine of 2X?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the two values of X when sine equals radical 2 over 2?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Why does the teacher emphasize that they are solving for 2X and not just X?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of finding additional solutions for the sine function as explained by the teacher.

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