Trig Unit Test A

Find the exact value of sin(5π/4)

• √3/2
• -√2/2
• -1/2
• 1/2

Find the exact value of cos(2π/3)

• √3/2
• -√2/2
• -1/2
• 1/2

Tags

CCSS.HSF.TF.C.9

Rewrite the radian measure in degrees: 7π/6

• 150⁰
• 210⁰
• 240⁰
• 315⁰

If 0⁰<x<90⁰ and cosx = 1/2, then sinx = ?

• 1/2

• √3/2

• √3/3

• 2

Evaluate cos 300°

• √3/2

• 1/2

• -1/2

• -2/3

Evaluate sin 135°

• -√3/3

• -√3/2

• -√2/2

• √2/2

Evaluate tan (7π/6)

• -2√3/3

• √3/3

• -√3/3

• 1

What is the midline for
y=2cos(1/3x +π/6) +2

• 1/3
• -2
• +2
• 4

Tags

CCSS.HSF-IF.C.7E

What is the equation of the graph?

•  y = 2 cos x
• y = sin x
• y = 2 sin x
• y = sin 2x 

Tags

CCSS.HSF-IF.C.7E

What is the period of the equation shown?

• 3π

• 2π

• 3π / 2

• 2π / 3

Tags

CCSS.HSF-IF.C.7E