Reference Angle Practice Worksheet
A Grade 11 Math worksheet focusing on understanding and calculating reference angles in trigonometry.
Includes
Standards
Topics
Reference Angle Practice
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Date:
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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:
10°
80°
100°
260°
8. The reference angle is always an acute angle.
True
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.