Trigonometric Functions of Angles ch 4.1

Find the complement of an angle that measures 72^o.

• 23^o

• 108^o

• 25^o

• 18^o

Find the complement of an angle that measures 65^o.

• 25^o

• 115^o

• 295^o

• -25^o

Find the supplement of an angle that measures 141^o.

• 321^o

• 46^o

• 39^o

• 231^o

Fiind the supplement of an angle that measures 40^o.

• 140^o

• 50^o

• 320^o

• 220^o

Convert  $\frac{3\pi}{4}$  into degrees.

• 135 $\degree$  

• 270 $\degree$  

• 45 $\degree$  

• 225 $\degree$  

Convert  $\frac{7\pi}{3}$  to degrees.  

• 420 $\degree$  

• 60 $\degree$  

• 730 $\degree$  

• 77 $\degree$  

Convert from 240 $\degree$   to radians.

•  $\frac{4\pi}{3}$  

•  $\frac{3\pi}{4}$  

•  $\frac{2\pi}{3}$  

•  $\frac{3\pi}{2}$  

Convert from -145 $\degree$  to radians. 

•  $-\frac{29\pi}{36}$  

•  $\frac{-7\pi}{9}$  

•  $-\frac{9\pi}{7}$  

•  $\frac{-3\pi}{4}$  

State in which quadrant or on what axis the terminal side of a 1215 $\degree$  angle in standard position lies. 

• QI

• QII

• x-axis

• QIV

State in which quadrant or on what axis the terminal side of a 1343 $\degree$  angle in standard position lies. 

• y-axis

• QII

• QIII

• QIV