6.2 Check: Trig Functions on the Unit Circle

sec(4π/3)

• √2/2

• -√2/2

• √3/2

• -2

Tags

CCSS.HSF.TF.A.2

sec( $\frac{11\pi}{6}$  )

•  $-\frac{\sqrt{3}}{3}$  

•  $\frac{1}{2}$  

•  $\frac{2\sqrt{3}}{3}$  

• -√3

Tags

CCSS.HSF.TF.A.2

cos(5π/3)

• -√2/2
• -1/2
• 1/2
• √3/2

Tags

CCSS.HSF.TF.A.2

What is the tan of π?

• 0
• √3/3
• -√3
• -1

Based on your unit circle cos(0^o)=

• 1
• 0
• -1
• 1/2

Find the exact value of the trig function tan ^7π/₆

• ^√3/₃

• √3

• -^√3/₃

• ^√3/₂

Tags

CCSS.HSF.TF.C.9

What is the coordinate point at  $\frac{4\pi}{3}$  ?

•  $\left(-\frac{1}{2},-\frac{\sqrt{3}}{2}\right)$  

•  $\left(\frac{1}{3},\frac{\sqrt{3}}{3}\right)$  

•  $\left(\frac{\sqrt{3}}{2},\frac{\sqrt{2}}{2}\right)$  

•  $\left(\frac{1}{2},-\frac{\sqrt{3}}{2}\right)$  

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

cos 150^o

• -1/2

• 1/2

• √3/2

• -√3/2

Tags

CCSS.HSF.TF.A.2

tan 225º

• 1

• -1

• 0

• undefined

Tags

CCSS.HSF.TF.A.2

cot 3π/4

• -√2/2
• -1
• 1
• √2/2

Tags

CCSS.HSF.TF.A.2