Trig Functions

Question 1: What is the reference angle for an angle of 31π/6 radians?

• π radians

• π/2 radians

• π/4 radians

• π/6 radians

• π/3 radians

Question 2: Find the reference angle for an angle of -5π/4 radians.

• -π/4 radians

• π/4 radians

• π/2 radians

• π/6 radians

• π/3 radians

Question 3: Determine the reference angle for an angle of 5π/3 radians.

• π/3 radians

• π/4 radians

• π radians

• π/6 radians

• -π/3 radians

Question 4: Calculate the reference angle for an angle of -26π/3 radians.

• -π/6 radians

• π/2 radians

• π/3 radians

• π/4 radians

• π/6 radians

Question 5: What is the reference angle for an angle of 11π/8 radians?

• 5π/8 radians

• 3π/8 radian

• 11π/8 radians

• π/8 radians

• π/2 radians

Question 5: What is the reference angle for an angle of 45π/16 radians?

• 5π/16 radians

• 3π/16 radian

• 13π/16 radians

• π/16 radians

• π radians

Question 6: What are the terminal coordinates for an angle of π/3 radians?

• (√3/2, 1/2)

• (√2/2, √2/2)

• (1/2, √3/2)

• (0, 1)

• (1/2, -√3/2)

Question 7: Find the terminal point for an angle of 5π/6 radians.

• (-√3/2, 1/2)

• (√3/2, -1/2)

• (1/2, -√3/2)

• (-1/2, √3/2)

• (-√2/2, √2/2)

Question 8: Determine the terminal coordinates for an angle of -π/6 radians.

• (√3/2, -1/2)

• (1/2, √3/2)

• (-1/2, -√3/2)

• (1, 0)

• (√2/2, -√2/2)

Question 9: Calculate the terminal point for an angle of 5π/4 radians.

• (-√2/2, -√2/2)

• (1/2, √3/2)

• (-1/2, -√3/2)

• (-√2/2, √2/2)

• (-√3/2, -1/2)