Quiz#5 - Trig Ratios and Inverse Angles

Simplify your answer if necessary.

• 9/41

• 40/41

• 9/40

• 3/10

Simplify your answer if necessary.

• 7/24

• 14/50

• 48/41

• 48/50

If you are given the hypotenuse and an adjacent side, which trig function should you use?

• sine
• cosine
• tangent
• cotangent

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Solve for x. Round to the nearest tenth.

• 103.5
• 4.7
• 55.0
• 23.4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle

• 33°
• 49°
• 39°
• 41°

Tags

CCSS.HSF.TF.B.7

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Find the measure of the missing angle.

• 49^o
• 50^o
• 41^o
• 33^o

Tags

CCSS.HSG.SRT.C.8

The radius of the unit circle is

• 0

• 1

• $\pi$

• -1

Use your paper plate unit circle:
270 degrees equals _____ radians

• $2\pi$

• $\pi$

• $\frac{\pi}{2}$

• $\frac{3\pi}{2}$

Use your paper plate unit circle:
 $\frac{3\pi}{2}$  radians = ____ degrees

• 0

• 90

• 180

• 270

Use your paper plate unit circle:
135 degrees equals _____ radians

•  $\frac{7\pi}{4}$ 

•  $\frac{3\pi}{4}$ 

• $\frac{\pi}{2}$

• $\frac{3\pi}{2}$