Unit Circle Quiz (cos,sin,tan)

cos(60°)

• 0
• 1/2
• √3/2
• 1

cos(2π/3)

• -√2/2
• √3/2
• -1/2
• 0

sin(5π/3)=

• 1/2
• -√3/2
• √3/2
• -1/2

What are the coordinates that go above the red line?

• (√3/2,1/2)
• (√2/2,1/2)
• (√2/2,√2/2)
• (1/2,√3/2)

What is the value of theta in degrees?

• 30
• 45
• 60
• 90

Find a co-terminal angle to 365 degrees.

• 5

• 255

• -220

• -365

Find a co-terminal angle to 90 degrees.

• -270
• 340
• -90
• 360

Which of the following is closest to the measure of the angle drawn by the green curve?

• 5/6 π
• 5/3 π
• 4/5 π
• 4/3 π

Which of the following is closest to the measure of the angle shown?

• 30º
• 40º
• 395º
• 440º

Find the measure of each angle

• a
• b
• c
• d