2.2 & 2.3 Quiz: Trig Angles

What is the reference angle for -38 degrees?

• 142 degrees
• 38 degrees
• 52 degrees
• -38 degrees

What is the reference angle for 265 degrees?

• 85 degrees

• 95 degrees

• -85 degrees

• 5 degrees

If a point on the terminal side of angle θ has a negative x- value and negative y-value which of the following is FALSE?

• angle θ is in quadrant III

• tanθ is positive

• cosθ is negative

• sinθ is positive

If the angle has a positive cotangent value and a positive cosecant value, what quadrant is it in?

• I
• II
• III
• IV

What quadrant(s) is the secant value negative? Select all that apply

• I

• II

• III

• IV

If the angle has a positive secant value and a negative tangent value, what quadrant is it in?

• I
• II
• III
• IV

Find the exact value of: cos 240°

•  $-\frac{\sqrt{3}}{2}$  

•  $-\frac{1}{2}$  

•  $\frac{\sqrt{2}}{2}$  

•  $-\frac{\sqrt{3}}{3}$  

Find the exact value of: cot 120^o.

• $-\frac{\sqrt{3}}{3}$

• $\frac{\sqrt{3}}{3}$

• 2

• -2

Find the exact value of sec(-330°)

• 1/2

• $\frac{\sqrt{3}}{3}$

• $\frac{\sqrt{3}}{2}$

• $\frac{2\sqrt{3}}{3}$

Find the exact value of: sin (-135°)

• $-\frac{\sqrt{2}}{2}$

• 1/2

• $-\frac{\sqrt{3}}{2}$

• $-\sqrt{3}$