Evaluating Trig Test Review

What is the coordinate point at  $225\degree$  on the unit circle?

•  $\left(\frac{\sqrt{2}}{2},\frac{\sqrt{2}}{2}\right)$  

•  $\left(-\frac{\sqrt{2}}{2},\frac{\sqrt{2}}{2}\right)$  

•  $\left(-\frac{\sqrt{2}}{2},-\frac{\sqrt{2}}{2}\right)$  

•  $\left(\frac{\sqrt{2}}{2},-\frac{\sqrt{2}}{2}\right)$  

Tags

CCSS.HSF.TF.A.2

Find the coordinate point on the Unit Circle associated with the angle 5π/3

• (1 / 2 , 1 / 2)

• (-√3 / 2 , 1/2)

• (1 / 2 , -√3 / 2)

• (-√3 / 2 , -1/2)

Find an angle coterminal with an angle measuring 17π / 4 radians.

• π ∕ 3

• 5π ∕ 4

• 9π ∕ 4

• 13π ∕ 4

What is the exact coordinates of  3π/4 on the unit circle?

• (−√2∕2, √2∕2)
• (−√2∕2, −√2∕2)
• (−√3∕2, −√2∕2)
• (√2∕2, −√2∕2)

Tags

CCSS.HSF.TF.A.2

sin π/4

• √2∕2
• 1/2
• √3/2
• 0

Tags

CCSS.HSF.TF.A.2

cos 5π/6

• -1/2
• 1/2
• √3/2
• -√3/2

Tags

CCSS.HSG.SRT.C.7

sin 2π/3

• 1/2
• -1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

tan 330

• √3
• -√3
• √3/3
• -√3/3

Tags

CCSS.HSG.SRT.C.7

tanΘ = -√3/3

• 330

• 300

• 210

• 240

Tags

CCSS.HSF.TF.B.7

sin Θ = -√2/2

• 5π/4

• 3π/4

• 7π/6

• 5π/6

Tags

CCSS.HSF.TF.B.7