Unit 11 quiz (7.3 only)

sin (π/2)

• √3/2
• √2/2
• 1/2
• 1

cos (π/4)

• √3/2
• √2/2
• 1/2
• 1

cos(5π/3)

• -√2/2
• -1/2
• 1/2
• √3/2

tan(300^o)

• -√3 /3
• ½
• 2√3 /3
• -√3

Choose the best match for the graph.

• 30^o
• 45^o
• 60^o
• 90^o

What is the angle measure, in degrees, at the red marking on the unit circle?

• 30°
• 45°
• 60°
• 90°

sin(11π/6)

• -1/2
• 1/2
• √3/2
• -√3/2

What is the radius of the unit circle?

• 0
• 1
• 1/2
• √2/2

Let (-4, 3) be a point on the terminal side of θ. Which of the following is FALSE?

• cot θ = -4/3

• tan θ = -3/4

• sin θ = 3/5

• cos θ = 4/5

Find sin(θ) given that the terminal side of θ contains the point (-19, 19).