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Trigonometric Ratios in Right Triangles

Trigonometric Ratios in Right Triangles

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to find the sine, cosine, and tangent of acute angles in right triangles using the mnemonic SOHCAHTOA. It provides examples with angles D, F, G, and H, demonstrating how to calculate these trigonometric ratios. The tutorial also covers the importance of rationalizing denominators and reducing fractions, emphasizing the need to write out SOHCAHTOA for accuracy.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving for sine, cosine, and tangent in a right triangle?

Identify the hypotenuse

Write down SOHCAHTOA

Measure the angles

Calculate the area

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'S' in SOHCAHTOA stand for?

Square

Sum

Side

Sine

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the sine of an angle in a right triangle?

Adjacent over hypotenuse

Opposite over hypotenuse

Hypotenuse over opposite

Opposite over adjacent

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the cosine of angle D if the adjacent side is 3 and the hypotenuse is 5?

3/5

4/5

5/3

5/4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the tangent of angle D if the opposite side is 4 and the adjacent side is 3?

4/5

4/3

3/4

5/4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sine of angle F if the opposite side is 3 and the hypotenuse is 5?

3/5

4/5

5/3

5/4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the cosine of angle F if the adjacent side is 4 and the hypotenuse is 5?

5/3

5/4

4/5

3/5

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