6.1 - 6.3 Review

11π/12 radians is how many degrees?

• 150°
• 165°
• 180°
• 195°

1400° is how many radians?

• 320⁰
• 70π/9
• 16π/9
• 80π/9

Which of the following pairs of angles are coterminal?

• 200⁰ and 380⁰
• -100⁰ and 100⁰
• 5π/4 and 9π/4
• 3π/2 and -π/2

Which of the following angles is coterminal with π/3 radians?

• 240⁰
• -240⁰
• 300⁰
• -300⁰

r = 2 ft, θ = π/2 rad
What is the length of the arc that subtends this angle?

• π ft
• 2π ft
• π/2 ft
• π/4 ft

s = 3π, r = 9
What is the measure of θ in degrees?

• 60⁰
• 90⁰
• 120⁰
• 180⁰

Let a = 12, b = 5, and c = 13. Evaluate sec(β).

• 5/13
• 12/13
• 13/5
• 13/12

Let a = 12, b = 5, and c = 13. Evaluate cot(β).

• 5/13
• 12/13
• 5/12
• 12/5

AB = 8√2
Find AC

• 8
• 16
• 4√2
• 8√2

UV = 10 cm. Estimate WV.

• 12.06 cm
• 0.083 cm
• 8.29 cm
• 13.15 cm