Unit circle practice

Based on your unit circle sin(90^o)=

• 1/2
• 0
• -1
• 1

Tags

CCSS.HSF.TF.A.2

sin(5π/3)=

• 1/2
• -√3/2
• √3/2
• -1/2

Tags

TEKS.MATH.P.4A

cos 4π/3

• -√3/2
• √3/2
• 1/2
• -1/2

Tags

CCSS.HSF.TF.A.2

tan 7π/4

• -1
• 1
• √2/2
• undefined

Tags

CCSS.HSF.TF.A.2

What radian measure corresponds to the point 

• π/4
• 3π/2
• 5π/4
• 7π/3

Tags

CCSS.HSF.TF.A.2

• -1
• 0
• undefined
• √3

Tags

CCSS.HSF.TF.A.2

Which quadrant is 2π/3 in?

• I
• II
• III
• IV

Tags

CCSS.HSF.TF.A.2

cos 5π/6

• -1/2
• 1/2
• √3/2
• -√3/2

Tags

CCSS.HSG.SRT.C.7

What is a complete circle in radians?

• π
• 2π
• 1/2 π
• 1

Tags

TEKS.MATH.P.4A

For what angles are sine and cosine the same?

• 0^o
• 45^o and 135⁰
• 45^o and 225⁰
• 45^o and 315⁰

Tags

CCSS.HSG.SRT.C.7