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Reference Angle Practice Worksheet

A Grade 11 Math worksheet focusing on understanding and calculating reference angles in trigonometry.

Grade 11 Math TrigonometryReference Angle
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Includes

2 Short AnswerMultiple ChoiceTrue / FalseFill in the BlanksLong Answer

Standards

CCSS.MATH.CONTENT.HSF.TF.A.2

Topics

TrigonometryReference AnglesGrade 11 Math
8 sections · Free to use · Printable
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Reference Angle Practice

Name:

Date:

Score:

Read each question carefully and provide the correct reference angle for each given angle. Show all your work where necessary.

1. Find the reference angle for θ = 150°.

2. Determine the reference angle for θ = 240°.

3. What is the reference angle for θ = 315°?

4. Find the reference angle for θ = 5π/6 radians.

5. Determine the reference angle for θ = 4π/3 radians.

6. What is the reference angle for θ = 7π/4 radians?

7. The reference angle for 100° is:

a

10°

b

80°

c

100°

d

260°

8. The reference angle is always an acute angle.

T

True

F

False

9. An angle of 500° has a coterminal angle of   and a reference angle of  .

10. Explain how to find the reference angle for an angle in the third quadrant, providing an example.