Quiz #4 (Unit Circle) MA

Convert -340 degrees to radians.

• -4pi/3
• 7pi/4
• 25pi/36
• -17pi/9

Convert 19pi/4 to degrees.

• 855 degrees
• 45 degrees
• -430 degrees
• -310 degrees

What are the negative and positive coterminal angles of 120°?

• 420°, -240°

• 480°, -240°

• 300°, -360°

• 0°, -250°

What are the negative and positive coterminal angles of -165°?

• 435°, -545°

• 185°, -305°

• 195°, -525°

• 125°, -185°

In which quadrant is -570⁰

• I

• II

• III

• IV

Find the exact values of the six trigonometric functions of θ.

• sin θ = 4/5, sec θ = 5/4, cos θ = 3/5, csc θ = 5/3, tan θ = 3/4, cot θ = 3/4

• sin θ = 3/5, sec θ = 5/4, cos θ = 4/5, csc θ = 5/3, tan θ = 3/4, cot θ = 4/3

• sin θ = 3/5, sec θ = 5/3, cos θ = 4/5, csc θ = 5/4, tan θ = 3/4, cot θ = 4/3

• sin θ = 4/5, sec θ = 5/4, cos θ = 3/5, csc θ = 5/3, tan θ = 3/4, cot θ = 4/3

Find the value of x.

• 20.9

• 36.6

• 31.8

• 27.6

Evaluate $\tan\frac{4\pi}{3}$  .

•  $-\sqrt{3}$  

•  $-\frac{\sqrt{3}}{3}$  

•  $\sqrt{3}$  

•  $\frac{\sqrt{3}}{3}$  

Find the exact value of $\csc\left(-\frac{3\pi}{2}\right)$ , if defined.

• -1

• 0

• 1

• undefined

Find the reference angle for an angle measuring -300⁰

• 60⁰

• -60⁰

• 30⁰

• 45⁰