The Unit Circle

What is cos 60°?

• ½
• ^√3/₂
• ^√2/₂
• 1

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

What is sin 45°?

• 1
• ^√3/₂
• ½
• ^√2/₂

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

What is cos 90°?

• ½
• undefined
• 1
• 0

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

What is sin 30°?

• ^√3/₂
• 1
• ½
• ^√2/₂

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

What is tan 45°?

• 1
• ^√2/₂
• ^√3/₂
• ½

Tags

CCSS.HSF.TF.A.3

What is cos 30°?

• ^√3/₂
• ½
• ^√2/₂
• 1

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

How many degrees is ^π/₄ radians?

• 30°
• 45°
• 60°
• 90°

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

How many degrees is ^π/₂ radians?

• 30°
• 45°
• 60°
• 90°

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

How many degrees is ^π/₃ radians?

• 30°
• 45°
• 60°
• 90°

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

CCSS.HSG.C.B.5

What is the value of cosine at 135

• 0
• 1/2
• √2 /2
• -√2 /2

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8