Review Unit Circle

sin π/4

• √2∕2

• 1/2

• √3/2

• 0

cos 4π/3

• -√3/2

• √3/2

• 1/2

• -1/2

sin 7π/6

• 1/2

• -1/2

• √3/2

• -√3/2

sin 2π/3

• 1/2

• -1/2

• √3/2

• -√3/2

Which angle satisfies the equation cosx = 0? Select all that apply

• x = π/2

• x = π

• x = 240º

• x = 270º

• 1/2

• undefined-1

What is this jawnski called?

See Picture

• A

• B

• C

Find the graph to this equation

• 
• 
• 
• 

cos 11π/6

• -1/2

• 1/2

• √3/2

• -√3/2