Module 17 & 18 Review #1

What is sin45°

• 1

• ^√3/2

• √2/2

• √3

Which angle is coterminal with 110°

• -250

• 70

• 20

• -70

What is cos60 ?

• 1

• √3/2

• √2/2

• 1/2

What is reference angle for 280°

• 10

• 100

• 80

• 40

What is tan30 ?

• √3

• 1

• √2/2

• √3/3

What is cos0 ?

• 0

• 1

• -1

• 1/2

What angle is coterminal with -240° ?

• 60

• 120

• 30

• 20

What is the reference angle for 330° ?

• 60

• 30

• 150

• 45

What is the sin60 ?

• 1/2

• √2/2

• √3/3

• √3/2

What is the tan90 ?

• 0

• 1

• undefined

• -1