UNIT CIRCLE

What is cos 90°?

• ½
• undefined
• 1
• 0

*

• csc x
• sec x
• cot x
• tan x

How many degrees is ^π/₃ radians?

• 30°
• 45°
• 60°
• 90°

What is sin 45°?

• 1
• ^√3/₂
• ½
• ^√2/₂

What is cos 60°?

• ½
• ^√3/₂
• ^√2/₂
• 1

Choose the best match for the graph.

• 30^o
• 45^o
• 60^o
• 90^o

What is cos 30°?

• ^√3/₂
• ½
• ^√2/₂
• 1

• 
• 
• 
• 

How many degrees is ^π/₄ radians?

• 30°
• 45°
• 60°
• 90°

Choose the best match for the graph.

• 30^o
• 45^o
• 60^o
• 90^o