Free Printable Trigonometric Functions of Angles ch 4.1

1.

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

a)

23^o

b)

108^o

c)

25^o

d)

18^o

2.

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

a)

25^o

b)

115^o

c)

295^o

d)

-25^o

3.

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

a)

321^o

b)

46^o

c)

39^o

d)

231^o

4.

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

a)

140^o

b)

50^o

c)

320^o

d)

220^o

5.

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

a)

135 $\degree$

b)

270 $\degree$

c)

45 $\degree$

d)

225 $\degree$

6.

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

a)

420 $\degree$

b)

60 $\degree$

c)

730 $\degree$

d)

77 $\degree$

7.

Convert from 240 $\degree$ to radians.

a)

$\frac{4\pi}{3}$

b)

$\frac{3\pi}{4}$

c)

$\frac{2\pi}{3}$

d)

$\frac{3\pi}{2}$

8.

Convert from -145 $\degree$ to radians.

a)

$-\frac{29\pi}{36}$

b)

$\frac{-7\pi}{9}$

c)

$-\frac{9\pi}{7}$

d)

$\frac{-3\pi}{4}$

9.

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

a)

QI

b)

QII

c)

x-axis

d)

QIV

10.

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

a)

y-axis

b)

QII

c)

QIII

d)

QIV

11.

Determine the angle of the smallest possible positive measure that is coterminal to 940 $\degree$ .

a)

220 $\degree$

b)

1300 $\degree$

c)

140 $\degree$

d)

-140 $\degree$

12.

Determine the angle of the smallest possible positive measure that is coterminal to -200 $\degree$ .

a)

160 $\degree$

b)

-560 $\degree$

c)

520 $\degree$

d)

20 $\degree$

Trigonometric Functions of Angles ch 4.1

Total questions: 12

Worksheet time: 6mins

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