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Worksheets

*Trig 24-25 Finale Review*

Total questions: 171

Worksheet time: 11hrs 31mins

Name
Class
Date
1.
If you are given the opposite side and hypotenuse, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
d)
cotangent
2.
If you are given the two sides that are not the hypotenuse, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
d)
cotangent
3.
If you are given 2 of the sides to an obtuse triangle, which trig function should you use to find the other side?
a)
sine
b)
cosine
c)
tangent
d)
You can only use trig functions on right triangles.
4.
What is the correct ratio?
a)
sin 40 = w/28
b)
cos 40 = w/28
c)
tan 40 = w/28
d)
sin 40 = 28/w
5.
a)
A
b)
B
c)
C
d)
D
6.
a)
A
b)
B
c)
C
d)
D
7.
The ratio in a right triangle of adjacent to hypotenuse is _____
a)
sine
b)
cosine
c)
tangent
d)
inverse cosine
8.
Choose the correct ratio.
a)
sin(37)=x/14
b)
cos(37)=x/14
c)
tan(37)=x/14
d)
sin(37)=14/x
9.
Find the length of side w.
a)
21.4 cm
b)
18.0 cm
c)
36.5 cm
d)
43.6 cm
10.
What is the cosine of angle P?
a)
p/q
b)
q/r
c)
p/r
d)
r/q
11.
Solve for the missing angle
a)
50
b)
0.053
c)
36.9
d)
95
12.

Cosx corresponds with which sides

a)

o/h

b)

h/o

c)

a/h

d)

h/a

e)

o/a

13.

Sinx corresponds with which sides

a)

o/h

b)

h/o

c)

a/h

d)

h/a

e)

o/a

14.

Secx corresponds with which sides

a)

o/h

b)

h/o

c)

a/h

d)

h/a

e)

o/a

15.

What options are equal to Sinx ?

a)

o/h

b)

1/cscx

c)

cosx

d)

Cos(90-x)

16.

Which of the following is the cofunction of Cosine ?

a)

Sine

b)

Cosecant

c)

Secant

d)

Tangent

e)

Cotangent

17.
What are the coordinates of 60° on the unit circle?
a)
(0, 1)
b)
(1/2, √3/2)
c)
(√3/2, 1/2)
d)
(√2/2, 1/2)
18.

On the unit circle, which radian measure represents the point (√3/2 , -1/2)

a)

11π/6

b)

/3

c)

/6

d)

/3

19.

Given the ordered pair (-1/2 , √3/2), what is the value of cosine?

a)

√3

b)

-1/2

c)

√3/2

d)

√3/3

20.

Evaluate sin (7π/6).

a)

1/2

b)

-1/2

c)

√3/2

d)

-√3/2

21.

Evaluate cos (150o).

a)

-1/2

b)

1/2

c)

√3/2

d)

-√3/2

22.

Find θ if tan θ = -1, and θ is in Quadrant II

a)

2π/3

b)

5π/6

c)

3π/4

d)

5π/4

23.

Find θ if  sin(θ)=32\sin\left(\theta\right)=-\frac{\sqrt{3}}{2} , and θ is in Quadrant III.

a)

4π/3

b)

7π/6

c)

3π/4

d)

5π/4

24.

For an angle  θ\theta  in standard position and a point (7, -24) on the terminal side,  find sinθ\sin\theta .

a)

2425-\frac{24}{25}  

b)

725\frac{7}{25}  

c)

247-\frac{24}{7}  

d)

724-\frac{7}{24}  

25.

For an angle θ\theta  in standard position and a point (7, -24) on the terminal side,  find cosθ\cos\theta  .

a)

2425-\frac{24}{25}  

b)

725\frac{7}{25}  

c)

247-\frac{24}{7}  

d)

724-\frac{7}{24}  

26.

For an angle  θ\theta  in standard position and a point (7, -24) on the terminal side,  find tanθ\tan\theta .

a)

2425-\frac{24}{25}  

b)

725\frac{7}{25}  

c)

247-\frac{24}{7}  

d)

724-\frac{7}{24}  

27.

Find cosθ\cos\theta for an angle in standard position that passes through the point

(1, 3)\left(-1,\ \sqrt{3}\right)  

a)

12-\frac{1}{2}  

b)

32\frac{\sqrt{3}}{2}  

c)

2-2  

d)

12\frac{1}{2}  

28.

Find  sinθ\sin\theta  for an angle in standard position that passes through the point

(1, 3)\left(-1,\ \sqrt{3}\right)

a)

23\frac{2}{\sqrt{3}}  

b)

32\frac{\sqrt{3}}{2}  

c)

2-2  

d)

12\frac{1}{2}  

29.

In which quadrant does θ=30°\theta=30\degree  lie?

a)

Quadrant I

b)

Quadrant II

c)

Quadrant III

d)

Quadrant IV

30.

In which quadrant does θ=210°\theta=210\degree  lie?

a)

Quadrant I

b)

Quadrant II

c)

Quadrant III

d)

Quadrant IV

31.

In which quadrant does θ=3π4\theta=\frac{3\pi}{4}  lie?

a)

Quadrant I

b)

Quadrant II

c)

Quadrant III

d)

Quadrant IV

32.

In which quadrant does θ=11π6\theta=\frac{11\pi}{6}  lie?

a)

Quadrant I

b)

Quadrant II

c)

Quadrant III

d)

Quadrant IV

33.

What ordered pair is associated with  θ=5π3\theta=\frac{5\pi}{3}  

a)

(32, 12)\left(\frac{\sqrt{3}}{2},\ -\frac{1}{2}\right)  

b)

(12, 32)\left(\frac{1}{2},\ \frac{\sqrt{3}}{2}\right)  

c)

(12, 32)\left(-\frac{1}{2},\ \frac{\sqrt{3}}{2}\right)  

d)

(12, 32)\left(\frac{1}{2},\ -\frac{\sqrt{3}}{2}\right)  

34.

Evaluate sin(210°)\sin\left(210\degree\right)  

a)

32-\frac{\sqrt{3}}{2}  

b)

32\frac{\sqrt{3}}{2}  

c)

12-\frac{1}{2}  

d)

12\frac{1}{2}  

35.

Evaluate cos(5π6)\cos\left(\frac{5\pi}{6}\right)  

a)

32-\frac{\sqrt{3}}{2}  

b)

32\frac{\sqrt{3}}{2}  

c)

12-\frac{1}{2}  

d)

12\frac{1}{2}  

36.

Evaluate sin(240°)\sin\left(240\degree\right)  

a)

32-\frac{\sqrt{3}}{2}  

b)

12-\frac{1}{2}  

c)

32\frac{\sqrt{3}}{2}  

d)

12\frac{1}{2}  

37.
If you are given the opposite side and hypotenuse, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
d)
cotangent
38.
If you are given the opposite side and hypotenuse, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
d)
cotangent
39.
If you are given the hypotenuse and an adjacent side, which trig function should you use?
a)
sine
b)
cosine
c)
tangent
d)
cotangent
40.
What equation can be used to solve for x?
a)
Sin(40°)= x/40 
b)
Sin(40º)=x/19
c)
Cos(40º)=x/19
d)
Tan(40°)=19/x
41.
Solve for x. Round to the nearest tenth.
a)
103.5
b)
4.7
c)
55.0
d)
23.4
42.
What is the length of side x?
a)
6.57 cm
b)
7 cm
c)
7.44 cm
d)
26.33 cm
43.

What is the missing side?

a)

20.8

b)

19.2

c)

23.0

d)

17.4

44.
a)

sin(42) x 8

b)

sin(42 x 8)

c)

8sin 42\frac{8}{\sin\ 42}

d)

 sin 428\ \frac{\sin\ 42}{8}

45.

What is the missing side?

a)

11.1

b)

27.3

c)

21.2

d)

15.3

46.

What is the missing side?

a)

21.3

b)

16.6

c)

24.1

d)

10.4

47.

What is the ratio for Sine?

a)

HO\frac{H}{O}

b)

OH\frac{O}{H}

c)

OA\frac{O}{A}

d)

AA\frac{A}{A}

48.

What is the ratio for Tangent?

a)

OA\frac{O}{A}

b)

AO\frac{A}{O}

c)

OH\frac{O}{H}

d)

HO\frac{H}{O}

49.

What is the ratio for Cosine?

a)

OH\frac{O}{H}

b)

OA\frac{O}{A}

c)

AO\frac{A}{O}

d)

AH\frac{A}{H}

50.

Which triangle is correctly labeled?

a)
b)
c)
d)
51.

Find the length of the missing side.

a)

187.7

b)

104.0

c)

164.2

d)

50.4

52.
Choose the correct ratio.
a)
cos(33)=x/14
b)
sin(33)=x/14
c)
cos(33)=14/x
d)
sin(33)=14/x
53.
What equation can be used to solve for x?
a)
Sin(40°)= x/40 
b)
Sin(40º)=x/19
c)
Cos(40º)=x/19
d)
Tan(40°)=19/x
54.
Which is the correct set up to solve for x?
a)
sin 72 = 6 / x
b)
cos 72 = 6 / x
c)
tan 72 = 6 / x
55.
Solve for x. Round to the nearest tenth.
a)
9.8
b)
0.1
c)
0.038
d)
9.9
56.

Which one is the easy trick to remember trigonometric ratios?

a)

SAH COH TOA

b)

SOH CAH TOA

c)

SOH CAH TAO

d)

SOH CEH TOA

57.

What is the ratio for Cosine?

a)

OH\frac{O}{H}

b)

OA\frac{O}{A}

c)

AO\frac{A}{O}

d)

AH\frac{A}{H}

58.

Which trig ratio is made up of the opposite and hypotenuse?

a)

sine

b)

cosine

c)

street sign

d)

exit sign

59.

What is the correct ratio for the Sin of X?

a)

A

b)

B

c)

C

d)

D

60.

What is the correct ratio for the Tan of A?

a)

A

b)

B

c)

C

d)

D

61.
Choose the correct ratio.
a)
sin-1(9/20)
b)
cos-1(9/20)
c)
tan-1(9/20)
d)
cos-1(20/9)
62.

Which triangle is correctly labeled?

a)
b)
c)
d)
63.
Choose the correct ratio.
a)
sin-1(12/29)
b)
cos-1(12/29)
c)
tan-1(12/29)
d)
tan-1(29/12)
64.
Choose the correct ratio.
a)
sin-1(12/29)
b)
cos-1(12/29)
c)
tan-1(12/29)
d)
tan-1(29/12)
65.
Choose the correct ratio.
a)
sin-1(9/20)
b)
cos-1(9/20)
c)
tan-1(9/20)
d)
cos-1(20/9)
66.

Solve for the missing angle.

a)

32°

b)

44°

c)

61°

d)

50°

67.
Find the measure of the missing angle.
a)
64o
b)
26o
c)
61o
d)
.008o
68.
Find the measure of the indicated angle (?) round to the nearest tenth.
a)
33°
b)
49°
c)
39°
d)
41°
69.

Find the length of the bolded arc.

a)

1805 π8\frac{1805\ \pi}{8}

b)

95 π4\frac{95\ \pi}{4}

c)

π2\frac{\pi}{2}

d)

135 π2\frac{135\ \pi}{2}

70.

Find the length of the bolded arc.

a)

243 π4\frac{243\ \pi}{4}

b)

9 π8\frac{9\ \pi}{8}

c)

35 π3\frac{35\ \pi}{3}

d)

4200 π4200\ \pi

71.

Find the length of the bolded arc.

a)

169 π6\frac{169\ \pi}{6}

b)

13 π2\frac{13\ \pi}{2}

c)

26 π26\ \pi

d)

56 π56\ \pi

72.

Find the length of the bolded arc.

a)

1127 π24\frac{1127\ \pi}{24}

b)

32 π3\frac{32\ \pi}{3}

c)

15 π15\ \pi

d)

20 π20\ \pi

73.

Find the length of the bolded arc.

a)

12π12\pi

b)

63 π4\frac{63\ \pi}{4}

c)

243π2\frac{243\pi}{2}

d)

81π81\pi

74.

Find the length of the bolded arc.

a)

7π2\frac{7\pi}{2}

b)

55π3\frac{55\pi}{3}

c)

77π12\frac{77\pi}{12}

d)

1260π1260\pi

75.

Find the length of the bolded arc.

a)

57π4\frac{57\pi}{4}

b)

20π3\frac{20\pi}{3}

c)

950π3\frac{950\pi}{3}

d)

3π3\pi

76.

Find the length of the bolded arc.

a)

1331π12\frac{1331\pi}{12}

b)

20π20\pi

c)

16π3\frac{16\pi}{3}

d)

25π2\frac{25\pi}{2}

77.

Find the length of the bolded arc.

a)

5π5\pi

b)

115π6\frac{115\pi}{6}

c)

5π2\frac{5\pi}{2}

d)

143π6\frac{143\pi}{6}

78.

Find the length of the bolded arc.

a)

35π12\frac{35\pi}{12}

b)

39π4\frac{39\pi}{4}

c)

10π3\frac{10\pi}{3}

d)

20π20\pi

79.

Find the length of the bolded arc.

a)

121π12\frac{121\pi}{12}

b)

18π18\pi

c)

1331π24\frac{1331\pi}{24}

d)

2π2\pi

80.

Find the length of the bolded arc.

a)

3π3\pi

b)

289π24\frac{289\pi}{24}

c)

200π3\frac{200\pi}{3}

d)

144π144\pi

81.
a)

12π cm

b)

27π cm

c)

12 cm

d)

27 cm

82.

Find the arc length.

a)

3π/4 ft

b)

39π/4 ft

c)

13π/4 ft

d)

4π/13 ft

83.

Find the arc length

a)

7 cm

b)

28π cm

c)

7π cm

d)

28 cm

84.
When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees.  What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.
a)
40
b)
35
c)
55
d)
69
85.

Find the arc length indicated by the bolded arc. Round to the nearest tenth.

a)

16.5 cm

b)

47.7 cm

c)

15.7 cm

d)

16.4 cm

86.

Find the arc length indicated by the bolded arc. Round to the nearest tenths.

a)

8.4 mi

b)

9.4 mi

c)

60.2 mi

d)

117.8 mi

87.

If the angle is in standard position, in what quadrant does its terminal side of a 240°-240\degree  angle lie in?

a)

First Quadrant 

b)

Second Quadrant

c)

Third Quadrant

d)

Fourth Quaadrant

88.

If the angle is in standard position, in what quadrant does its terminal side of a 2π3-\frac{2\pi}{3}  radian angle lie in?

a)

First Quadrant

b)

Second Quadrant 

c)

Third Quadrant 

d)

Fourth Quadrant

89.

If the angle is in standard position, in what quadrant does its terminal side of a 192°192\degree  angle lie in?

a)

First Quadrant 

b)

Second Quadrant 

c)

Third Quadrant 

d)

Fourth Quadrant 

90.

Convert 81°81\degree  into radians.

a)

9π20\frac{9\pi}{20}  

b)

9π16\frac{9\pi}{16}  

c)

8π7\frac{8\pi}{7}  

d)

7π5\frac{7\pi}{5}  

91.
Convert π radians to degrees.
a)
90⁰
b)
180⁰
c)
360⁰
d)
60⁰
92.

Convert 225°225\degree into radians?

a)

7π4\frac{7\pi}{4}

b)

5π4\frac{5\pi}{4}

c)

3π4\frac{3\pi}{4}

d)

5π3\frac{5\pi}{3}

93.

Convert  11π6\frac{11\pi}{6}   radians into degrees.

a)

30°30\degree  

b)

330°330\degree  

c)

360°360\degree  

d)

300°300\degree  

94.

Find the length of side y.

a)

22.32 cm

b)

36.5 cm

c)

76.34 cm

d)

87.76 cm

95.
Find the length of side w.
a)
21.4 cm
b)
18.0 cm
c)
36.5 cm
d)
43.6 cm
96.
Find Cos(A) as a decimal rounded the the nearest ten-thousandth.
a)
.4706
b)
1.875
c)
.8824
d)
.5333
97.
Solve for x. Round to the nearest tenth.
a)
44.0
b)
41.4
c)
1.2
d)
1.0
98.
Choose the correct ratio.
a)
sin(37)=x/14
b)
cos(37)=x/14
c)
tan(37)=x/14
d)
sin(37)=14/x
99.
Sine
a)
opposite / adjacent
b)
adjacent / hypotenuse
c)
opposite / hypotenuse
100.
Tangent
a)
opposite / adjacent
b)
adjacent / hypotenuse
c)
opposite / hypotenuse
101.
Cosine
a)
opposite / adjacent
b)
adjacent / hypotenuse
c)
opposite / hypotenuse
102.

What is the correct ratio you would use to solve for "w"?

a)

sin 40 = w/28

b)

cos 40 = w/28

c)

tan 40 = w/28

d)

sin 40 = 28/w

103.

Find the length of side AB.

a)

20 m

b)

5 m

c)

11.54 m

d)

8.66 m

104.
Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 
a)
63.6 ft
b)
1.59 ft
c)
74.2 ft
d)
86.9 ft
105.

sin 38°=x42\sin\ 38\degree=\frac{x}{42}   Solve the equation for x.

Round your answer to the nearest tenth.



(a)  

106.
What is the cosine of angle P?
a)
p/q
b)
q/r
c)
p/r
d)
r/q
107.
Find the measure of the missing angle.
a)
64o
b)
26o
c)
61o
d)
.008o
108.
Find the measure of the missing angle.
a)
49o
b)
50o
c)
41o
d)
33o
109.
Solve for the missing angle
a)
50
b)
0.053
c)
36.9
d)
95
110.

Find x round to the nearest tenth.

a)

46.1

b)

4.9

c)

16.4

d)

26.9

111.
a)
6.99
b)
6.33
c)
13.59
d)
7.83
112.
a)
20.35
b)
12.72
c)
14.99
d)
21.83
113.
a)
38.66
b)
36.87
c)
53.13
d)
45.71
114.
a)
57.99
b)
51.32
c)
38.68
d)
32.00
115.
a)
9.28
b)
2.87
c)
2.97
d)
8.76
116.
a)
44.55
b)
22.69
c)
41.66
d)
38.49
117.
Solve for x. Round to the nearest tenth.
a)
7.5
b)
34.1
c)
14.1
118.
Find the length of side y.
a)
22.32 cm
b)
36.5 cm
c)
76.34 cm
d)
87.76 cm
119.
Solve for x. Round to the nearest tenth.
a)
5.3
b)
6.2
c)
8.5
120.

Which equation is true?

a)

sin (x) = 14/29

b)

cos (x) = 14/29

c)

tan (x) = 14/29

d)

tan (x) = 29/14

121.

Which equation is true?

a)

sin (x) = 11/27

b)

sin (x) = 27/11

c)

cos (x) = 11/27

d)

tan (x) = 11/27

122.

Which equation is true?

a)

sin (x) = 6/8

b)

cos (x) = 8/6

c)

cos (x) = 6/8

d)

tan (x) = 6/8

123.

Which equation would you use to solve for the unknown angle?

a)

x = sin–1(4/5)

b)

x = cos–1(4/5)

c)

x = cos–1(5/4)

d)

x = tan–1(4/5)

124.

Which equation could be used to solve for the unknown angle?

a)

x =sin–1(25/24)

b)

x = sin–1(24/25)

c)

x = sin–1(25/7)

d)

x = sin–1(7/25)

125.

Which equation would you use to solve for the unknown angle?

a)

x =tan–1(51/85)

b)

x = tan–1(85/51)

c)

x = tan–1(51/68)

d)

x = tan–1(68/51)

126.

Which equation would you use to solve for the unknown angle?

a)

x =cos–1(68/85)

b)

x = cos–1(85/68)

c)

x = cos–1(51/85)

d)

x = cos–1(85/51)

127.
What equation can be used to solve for x?
a)
Sin(40°)= x/40 
b)
Sin(40º)=x/19
c)
Cos(40º)=x/19
d)
Tan(40°)=19/x
128.
Find the measurement of the missing side indicated
a)
4.39
b)
3.21
c)
2.19
d)
2.05
129.
Find the measurement of the missing side indicated
a)
4.98
b)
5.98
c)
3.20
d)
4.18
130.
Solve for x.
a)
50.7
b)
50.1
c)
60.7
d)
61.0
131.
Solve for x.
a)
10
b)
11.3
c)
12.0
d)
15.0
132.
Find x round to the nearest tenth.
a)
46.1
b)
4.9
c)
16.4
d)
26.9
133.
Find each side, round to nearest tenth.
a)
5.5
b)
5.9
c)
6.6
d)
6.8
134.
Find each side, round to nearest tenth.
a)
2
b)
4
c)
6
d)
8
135.
A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.   Which of these is nearest to the height of the lighthouse? 
a)
25 feet
b)
44 feet 
c)
81 feet 
d)
185 feet 
136.
Solve for the missing angle.
a)
50.5 degrees
b)
12.7 degrees
c)
36.9 degrees
d)
72.2 degrees
137.
a)
24/32
b)
32/24
c)
32/40
d)
24/40
138.
What is the length of side x?
a)
6.57 cm
b)
7 cm
c)
7.44 cm
d)
26.33 cm
139.
Find x
a)
20
b)
5.9
c)
33
d)
42
140.

Find the missing angle. Round answers to the nearest whole degree.

a)

64°64\degree

b)

35°35\degree

c)

51°51\degree

d)

63°63\degree

141.

What is the exact value of cos (60°)

a)

0

b)

1/2

c)

√3/2

d)

1

142.

What is the exact value of sin (150°)

a)

-1/2

b)

-√3/2

c)

1/2

d)

√3/2

143.
What are the coordinates of 60° on the unit circle?
a)
(0, 1)
b)
(1/2, √3/2)
c)
(√3/2, 1/2)
d)
(√2/2, 1/2)
144.

Find the exact value of the cos (225⁰)

a)

-√3/2

b)

√3/2

c)

√2/2

d)

-√2/2

145.
cos(30o)
a)
- ½
b)
√3/2
c)
2√3 /3
d)
½
146.
Choose the best match for the graph.
a)
30o
b)
45o
c)
60o
d)
90o
147.
Choose the best match for the graph.
a)
30o
b)
45o
c)
60o
d)
90o
148.
Choose the best match for the graph.
a)
30o
b)
45o
c)
60o
d)
90o
149.

Based on the unit circle, what is the value of sin?

a)

y

b)

x

c)

x/y

d)

y/x

150.

Based on the unit circle, what is the value of cos?

a)

y

b)

x

c)

x/y

d)

y/x

151.
Based on the unit circle, what is the value of tan?
a)
y/r
b)
x/r
c)
r/y
d)
y/x
152.
What is the radius of the unit circle?
a)
0
b)
1
c)
1/2
d)
√2/2
153.

Find cos(600°)

hint: find the coterminal angle

a)

(-1/2)

b)

(-√3/2)

c)

(√3/2)

d)

(√2/2)

154.

What is the reference angle for -30°?

a)

150°

b)

30°

c)

80°

d)

60°

155.

What is the reference angle for 275°?

a)

85°

b)

95°

c)

-85°

d)

-95°

156.
If θ is an angle in Quadrant I, which trig ratios will be positive
a)
sin θ
b)
cos θ
c)
tan θ
d)
All the above (sin θ, cos θ, tan θ)
157.
If θ is an angle in Quadrant IV, which trig ratios will be positive
a)
sin θ
b)
cos θ
c)
tan θ
d)
cos θ and tan θ
158.
Using reference angles find csc 330o.
a)
-2
b)
2
c)
1
d)
-1
159.
Using reference angles find the cot 120o.
a)
-√3/3
b)
√3/3
c)
2
d)
-2
160.

What is the reference angle for 240°?

a)

60°

b)

30°

c)

45°

d)

210°

161.

What is the reference angle for 63°?

a)

117°

b)

207°

c)

63°

d)

153°

162.
cos 90
a)
0
b)
1
c)
-1
d)
undefined
163.
tan 270
a)
0
b)
1
c)
-1
d)
undefined
164.
tan 225
a)
√2/2
b)
-√2/2
c)
1
d)
-1
165.
cos 135
a)
√2/2
b)
-√2/2
c)
√3/2
d)
-√3/2
166.
sin 180
a)
0
b)
1
c)
-1
d)
undefined
167.
cos 180
a)
0
b)
1
c)
-1
d)
undefined
168.
tan 180
a)
0
b)
1
c)
-1
d)
undefined
169.
tan 330
a)
√3
b)
-√3
c)
√3/3
d)
-√3/3
170.
tan 240
a)
√3
b)
-√3
c)
√3/3
d)
-√3/3
171.
tan 210
a)
√3
b)
-√3
c)
√3/3
d)
-√3/3