Trig Unit Review

Find the value of tan X.

• 3/4
• 4/3
• 5/3
• 3/5

Find the measure of the indicated angle (?) round to the nearest tenth of a degree.

• 9.4 degrees

• 55.2 degrees

• 20.15 degrees

• 19.4 degrees

A 16 foot ladder leans against a building.  If the angle the ladder makes with the ground is 68°, how high up the building does the ladder reach?

• 39.6
• 6.0
• 14.8
• 13.6

In which quadrants is  

 $\sin\theta\ >\ 0$  ?
Check all answers that apply.

• I

• II

• III

• IV

In which quadrants is  

 $\cos\theta\ <\ 0$  ?
Check all answers that apply.

• I

• II

• III

• IV

In which quadrants is  

 $\tan\theta\ >\ 0$  ?
Check all answers that apply.

• I

• II

• III

• IV

Evaluate sin (π / 2)

• 0

• 1

• 2

• √2 / 2

Evaluate Cos (π)

• 0

• 1

• undefined

• -1

Evaluate

 $\tan300\degree$  

•  $-\frac{\sqrt{3}}{3}$  

•  $-\sqrt{3}$  

•  $\frac{\sqrt{3}}{3}$  

•  $\sqrt{3}$  

Evaluate

 $\cos\frac{2\pi}{3}$  

•  $\frac{1}{2}$  
  

•  $-\frac{\sqrt{3}}{2}$   

•  $-\frac{1}{2}$  

•  $\frac{\sqrt{3}}{2}$