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Trigonometric Functions and Applications

Trigonometric Functions and Applications

Assessment

Interactive Video

•

Mathematics, Science

•

7th - 10th Grade

•

Practice Problem

•

Hard

Created by

Emma Peterson

FREE Resource

The video tutorial covers solving geometric and trigonometric problems. It begins with finding the radius of a circle using a given point and its equation. The tutorial then introduces basic trigonometry concepts using the mnemonic SOHCAHTOA, explaining sine, cosine, and tangent. It applies these concepts to solve various trigonometric problems, including calculating unknown side lengths in right triangles.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the radius of a circle if the point (-3, 2) lies on it and the equation is (x + 3)^2 + (y + 1)^2 = r^2?

2

4

1

3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the sine of angle x is 5/13, what is the cosine of x?

13/5

5/12

5/13

12/13

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the sine of angle x is 5/13, what is the tangent of x?

13/5

12/5

5/13

5/12

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given that sine of angle A is 0.7 and the opposite side is 21, what is the length of the hypotenuse?

30

15

10

21

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the sine of angle A is 0.7, what is the length of side AC if the opposite side is 21?

30

21

15

10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the tangent of 40 degrees is 0.84, what is the height of a street light if the adjacent side is 20 feet?

16.8 feet

15 feet

20 feet

18 feet

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which trigonometric function should be used to find the side BC in a right triangle if angle A is 32 degrees and the adjacent side is 8.2?

Sine

Secant

Cosine

Tangent

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