Pre Calc unit 3 how to use cosine to find the missing side of a triangle

Pre Calc unit 3 how to use cosine to find the missing side of a triangle

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to use the cosine function in trigonometry to solve for X. It begins with an introduction to the cosine of 59 degrees, followed by a step-by-step guide to solving for X by multiplying both sides by 5. The instructor demonstrates the calculation and provides an approximate result. Finally, the video addresses potential errors and troubleshooting tips for students who may not get the correct answer.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What value do you get when you calculate five times the cosine of 59 degrees?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What should you check if you are not getting the correct answer?

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