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Understanding Trigonometric Functions in Right Triangles

Understanding Trigonometric Functions in Right Triangles

Assessment

Interactive Video

Mathematics

7th - 10th Grade

Practice Problem

Hard

CCSS
HSG.SRT.C.6, HSG.CO.A.1

Standards-aligned

Created by

Emma Peterson

FREE Resource

Standards-aligned

CCSS.HSG.SRT.C.6
,
CCSS.HSG.CO.A.1
The video tutorial explains how to determine which trigonometric function to use based on given information in a right triangle. It reviews the definitions of trigonometric functions as ratios of the lengths of sides of right triangles. The tutorial provides three examples: using the cosine function with angle A, the tangent function with angle B, and the sine function with angle B. Each example involves identifying the opposite, adjacent, and hypotenuse sides relative to a given angle and applying the appropriate trigonometric function.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of trigonometric functions in right triangles?

Finding the area

Understanding side ratios

Determining side lengths

Calculating angles

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which side is always opposite the right angle in a right triangle?

Opposite side

Hypotenuse

Base

Adjacent side

Tags

CCSS.HSG.SRT.C.6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If angle A is given, which trigonometric function involves the adjacent side and the hypotenuse?

Sine

Cosine

Tangent

Secant

Tags

CCSS.HSG.SRT.C.6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the cosine of angle A equal to in terms of side lengths?

Ratio of opposite side to adjacent side

Ratio of hypotenuse to adjacent side

Ratio of adjacent side to hypotenuse

Ratio of opposite side to hypotenuse

Tags

CCSS.HSG.CO.A.1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the second example, which side is opposite angle B?

Side A

Side B

Side C

None of the above

Tags

CCSS.HSG.SRT.C.6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which trigonometric function involves the opposite side and the adjacent side?

Cosine

Cotangent

Tangent

Sine

Tags

CCSS.HSG.SRT.C.6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the tangent of angle B equal to in terms of side lengths?

Ratio of opposite side to adjacent side

Ratio of adjacent side to hypotenuse

Ratio of hypotenuse to opposite side

Ratio of opposite side to hypotenuse

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