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Mathematics

MTHH044

### Question Description

Please complete this assignment in full. I have 10 of the 20 questions answered, but I am not sure if they are correct. I would like to see if your answers match mine. If possible, I would prefer the assignment to be sent back in pdf form, having written on the actual document. Thanks.

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## Final Answer

Hey there!it's been a lengthy assignment but I solved it anywayhere is the solution

Math | Graded Assignment | Checkup: Trigonometric Ratios and the Unit Circle

Name:

Date:

Graded Assignment

Checkup: Trigonometric Ratios and the Unit Circle

Answer the following questions using what you've learned from this lesson. Write your responses in the

space provided, and turn the assignment in to your teacher.

7 24

1. Show that the point ,

is on the unit circle.

25 25

This point is on the unit circle if 𝑥 2 + 𝑦 2 = 1

7 2

24 2

49 576 625

∴( ) +( ) =

+

=

=1

25

25

625 625 625

7 24

∴ ( , ) is on the unit circle

24 25

11

? Explain your thinking.

6

This angle is in the fourth quadrant, so the reference angle is

11

1

θ𝑟𝑒𝑓 = 2π −

π= π

6

6

1

The angle between the terminal rayt and the x-axis is π

2. What is the reference angle for

6

14

? Explain your thinking.

3

This angle is in the firth quadrant, so the reference angle is

14

2

θ𝑟𝑒𝑓 =

π − 4π = π

3

3

3. What is the reference angle for

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