Finding the value of cosine of my given right triangle

Finding the value of cosine of my given right triangle

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to find the cosine of angle C in a right triangle. It begins by defining cosine as the ratio of the adjacent side to the hypotenuse. The tutorial then identifies the hypotenuse as the longest side opposite the right angle and the adjacent side as the one connecting angle C and the right angle. The cosine of C is calculated using the ratio of the adjacent side (6) to the hypotenuse (10), which is then reduced to 0.6 and further to the nearest thousandth.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What does cosine represent in a right triangle?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the relationship between the adjacent side and the hypotenuse when calculating cosine?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you identify the hypotenuse in a right triangle?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you find the cosine of angle C using the sides of the triangle?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the final value of cosine of C when reduced to the nearest thousandth?

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