Learn how to use cosine to find the missing side of a right triangle

Learn how to use cosine to find the missing side of a right triangle

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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Quizizz Content

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The video tutorial explains how to calculate the cosine of 59 degrees, emphasizing the importance of setting the calculator to degree mode. It guides through the process of performing the calculation and rounding the result to the nearest thousandth.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the cosine of 59 degrees equal to in terms of adjacent and hypotenuse?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to set your calculator to degree mode when solving trigonometric problems?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What steps should you follow to ensure your calculator is in the correct mode?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you calculate the value of X using the cosine of 59 degrees?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the approximate value of X when rounded to the nearest thousandth?

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