trig section 2.2

Find: sin 30⁰

• 1/2

• √3/2

• √2/2

• √3

What is tan 60⁰?

• 1

• √3/3

• √3

• undefined

What is sin 45⁰?

• 1/2

• √3/2

• √2/2

• 1

Write in terms of its cofunction: csc72⁰

• sin72⁰

• sin18⁰

• sec18⁰

• 1/sin72⁰

Solve the equation for x: sin(3x - 12) = cos(7x + 8)

• x = -5

• x = 5

• x = 9.4

• not possible

Find the reference angle of 916^o

• 196^o

• 74^o

• -164^o

• 16^o

Give the exact value: cos120^o

• 1/2

• -1/2

• √3/2

• -√3/2

Give the exact value: tan225^o

• 1

• -1

• √3

• -√3

Give the exact value: sin315^o

• 1/2

• -1/2

• √2/2

• -√2/2

Give the exact value: csc150^o

• 2

• -2

• √2

• -√2