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Unit 8 Review (Algebra 2)

Total questions: 71

Worksheet time: 5hrs 11mins

Name
Class
Date
1.

Which of the following shows 150°150\degree  in standard positon?

a)
b)
c)
d)
2.

Which of the following shows 5π4\frac{5\pi}{4}  graphed in standard position?

a)
b)
c)
d)
3.

Which of the following shows π4-\frac{\pi}{4}  graphed in standard position?

a)
b)
c)
d)
4.

Which of the following degree measures is represented by this diagram?

a)

3π4-\frac{3\pi}{4}

b)

6π5\frac{6\pi}{5}

c)

π3-\frac{\pi}{3}

d)

7π4-\frac{7\pi}{4}

5.
sin 30 degrees
a)
1/2
b)
√3/2
c)
-1/2
d)
√2/2
6.
cos 30 degrees
a)
1/2
b)
√3/2
c)
-1/2
d)
√2/2
7.
cos 45 degrees
a)
1/2
b)
√3/2
c)
√2/2
d)
√2
8.
cos(5π/6)
a)
1/2
b)
-√3/2
c)
√3/2
d)
-1/2
9.
sin(5π/3)
a)
1/2
b)
-√3/2
c)
√3/2
d)
-1/2
10.

Which function is positive in quadrant IV?

a)

sinθ\sin\theta

b)

cosθ\cos\theta

c)

tanθ\tan\theta

d)

cscθ\csc\theta

11.

cos π\pi  

a)

0

b)

1

c)

-1

d)

undefined

12.

tan 90

a)

0

b)

1

c)

-1

d)

undefined

13.
Which of the following is closest to the measure of the angle shown?
a)
30º
b)
40º
c)
395º
d)
440º
14.
Find a coterminal angle to -180 degrees.
a)
180
b)
90
c)
270
d)
360
15.
Which quadrant is -570⁰
a)
I
b)
II
c)
III
d)
IV
16.
Negative angles are measured in which direction from standard position?
a)
Clockwise
b)
Counterclockwise
17.

Find the NEGATIVE co-terminal angle for:

3π7\frac{3\pi}{7}

a)

17π7\frac{17\pi}{7}

b)

11π7-\frac{11\pi}{7}

c)

17π14-\frac{17\pi}{14}

d)

5π7\frac{5\pi}{7}

18.

Find the NEGATIVE co-terminal angle for:

π2\frac{\pi}{2}

a)

5π4\frac{5\pi}{4}

b)

5π2-\frac{5\pi}{2}

c)

4π4-\frac{4\pi}{4}

d)

3π2-\frac{3\pi}{2}

19.

The POSITIVE co-terminal angle for 14°-14\degree is (a)   degrees.

20.

Find x round to the nearest tenth.

a)

46.1

b)

4.9

c)

16.4

d)

26.9

21.
a)
A
b)
B
c)
C
d)
D
22.
a)
A
b)
B
c)
C
d)
D
23.
a)
A
b)
B
c)
C
d)
D
24.
a)
A
b)
B
c)
C
d)
D
25.
a)
A
b)
B
c)
C
d)
D
26.
a)
A
b)
B
c)
C
d)
D
27.
Find cscΘ.
a)
15/17
b)
17/15
c)
8/17
d)
17/8
28.
What is the reciprocal of sin(x)?
a)
cos(x)
b)
csc(x)
c)
sec(x)
d)
cot(x)
29.
Secant is the reciprocal of what function?
a)
Cosecant
b)
Sine
c)
Cosine
d)
Tangent
30.
Find cotΘ.
a)
3/4
b)
4/3
c)
5/4
d)
5/3
31.
Find secΘ.
a)
17/15
b)
15/17
c)
8/17
d)
17/8
32.
Solve for the missing angle
a)
50
b)
0.053
c)
36.9
d)
95
33.
Find the measure of the missing angle.
a)
49o
b)
50o
c)
41o
d)
33o
34.

Convert to degrees: π2\frac{\pi}{2}  

a)

0°0\degree  

b)

45°45\degree  

c)

60°60\degree  

d)

90°90\degree  

35.

Convert to radians 60°60\degree  

a)

π3\frac{\pi}{3}  

b)

π2\frac{\pi}{2}  

c)

π6\frac{\pi}{6}  

d)

π2\frac{\pi}{2}  

36.

Convert 300° to a radian measure.

a)

34π\frac{3}{4}\pi  

b)

74π\frac{7}{4}\pi  

c)

53π\frac{5}{3}\pi  

d)

56π\frac{5}{6}\pi  

37.

Convert 150° to a radian measure.

a)

56π\frac{5}{6}\pi  

b)

  65π\frac{6}{5}\pi  

c)

67π\frac{6}{7}\pi  

d)

54π\frac{5}{4}\pi  

38.

What is the exact value of sin (π/4)

a)

√2∕2

b)

1/2

c)

√3/2

d)

0

39.

What is the exact value of cos (5π/6)

a)

-1/2

b)

1/2

c)

√3/2

d)

-√3/2

40.

What radian measure corresponds to the point on the unit circle?

a)

π/4

b)

3π/2

c)

5π/4

d)

7π/3

41.

Find the exact value of the cos (225⁰)

a)

-√3/2

b)

√3/2

c)

√2/2

d)

-√2/2

42.
tan(300o)
a)
-√3 /3
b)
½
c)
2√3 /3
d)
-√3
43.
csc(30o)
a)
-√3/2
b)
½
c)
2√3 /3
d)
2
44.
sec(90o)
a)
UND
b)
1
c)
-1
d)
0
45.

Check ALL that are negative in Quad IV

a)

tan

b)

csc

c)

sec

d)

cot

46.

csc 330⁰

a)

2

b)

-2

c)

√2

d)

-√2

47.

What is the value of cos(5π3)\cos\left(\frac{5\pi}{3}\right)  ?


a)

32-\frac{\sqrt{3}}{2}  

b)

32\frac{\sqrt{3}}{2}  

c)

12-\frac{1}{2}  

d)

12\frac{1}{2}  

48.

If  sinθ=613\sin\theta=-\frac{6}{13}  , what is  cscθ\csc\theta  ?

a)

136\frac{13}{6}  

b)

613\frac{6}{13}  

c)

136-\frac{13}{6}  

d)

undefined

e)

1

49.

Select all that are equal to 1

a)

cos(2π)\cos\left(2\pi\right)  

b)

sin(π2)\sin\left(\frac{\pi}{2}\right)  

c)

sin(270o)\sin\left(270^o\right)  

d)

tan(π4)\tan\left(\frac{\pi}{4}\right)  

e)

cos(π)\cos\left(\pi\right)  

50.

What is the exact value of cot(π2)\cot\left(\frac{\pi}{2}\right)  ?

a)

0

b)

1

c)

-1

d)

undefined

51.

cot(300o)\cot\left(300^o\right)  

a)

13\frac{1}{\sqrt{3}}  

b)

3-\sqrt{3}  

c)

3\sqrt{3}  

d)

33-\frac{\sqrt{3}}{3}  

52.

Select all that are equal to 0.

a)

cot(π)\cot\left(\pi\right)  

b)

tan(180o)\tan\left(180^o\right)  

c)

cos(3π2)\cos\left(\frac{3\pi}{2}\right)  

d)

sin(90o)\sin\left(90^o\right)  

53.

What is the exact value of sin(13π6)\sin\left(\frac{13\pi}{6}\right)  ?

a)

12\frac{1}{2}  

b)

22\frac{\sqrt{2}}{2}  

c)

32\frac{\sqrt{3}}{2}  

d)

22  

54.

What is the exact value of sec(π4)\sec\left(-\frac{\pi}{4}\right)  ?

a)

22-\frac{\sqrt{2}}{2}  

b)

22\frac{\sqrt{2}}{2}  

c)

2\sqrt{2}  

d)

12\frac{1}{2}  

55.

Which of these are the same as tan(315o)\tan\left(315^o\right)

a)

tan(315o)\tan\left(-315^o\right)  

b)

tan(3π2)\tan\left(\frac{3\pi}{2}\right)  

c)

sin(675o)\sin\left(675^o\right)  

d)

tan(45o)\tan\left(-45^o\right)  

56.

What is the exact value cot(10π3)\cot\left(\frac{10\pi}{3}\right)  ?

a)

33\frac{\sqrt{3}}{3}  

b)

32\frac{\sqrt{3}}{2}  

c)

3-\sqrt{3}  

d)

13\frac{1}{3}  

57.

Which of these statements is true?

a)

sin(180o)=1\sin\left(180^o\right)=-1

b)

7π6-\frac{7\pi}{6} radians is in Quadrant III

c)

cot(π)=0\cot\left(\pi\right)=0

d)

sec(60o)=2\sec\left(60^o\right)=2

58.
*
a)
csc x
b)
sec x
c)
cot x
d)
tan x
59.

Evaluate: csc(3π/4)

a)

√2/2

b)

-√2/2

c)

√2

d)

-√2

60.

Sin2θ + Cos2θ =1  Sin^2\theta\ +\ Cos^2\theta\ =1\ \



Given the Identity above,  Which of the following is equivalent to  Cos2θCos^2\theta  ?

a)

tan2θ 1\tan^2\theta\ -1  

b)

1+Cos2θ1+Cos^2\theta  

c)

1Sin2θ1-Sin^2\theta  

d)

Sin2θ1Sin^2\theta-1  

61.

Sin2θ + Cos2θ =1  Sin^2\theta\ +\ Cos^2\theta\ =1\ \



Given the Identity above,  Which of the following is equivalent to  Sin2θSin^2\theta  ?

a)

tan2θ 1\tan^2\theta\ -1  

b)

1Cos2θ1-Cos^2\theta  

c)

1Sin2θ1-Sin^2\theta  

d)

Sin2θ1Sin^2\theta-1  

62.

CosθSinθ\frac{Cos\theta}{Sin\theta}  is equivalent to ____

a)

SecθSec\theta  

b)

Cotθ-Cot\theta  

c)

CotθCot\theta  

d)

TanθTan\theta  

63.

SinθCosθ×Tanθ\frac{Sin\theta}{Cos\theta}\times Tan\theta  is equivalent to ____

a)

11  

b)

Tan2θTan^2\theta  

c)

Cot2θCot^2\theta  

d)

TanθTan\theta  

64.

CosθCosθ\frac{Cos\theta}{Cos\theta}  is equivalent to ___

a)

0

b)

infinity 

c)

Cos2θCos^2\theta  

d)

1

e)

Undefined 

65.

1Cos2θ\frac{1}{Cos^2\theta}  is equivalent to ___

a)

Csc2θCsc^2\theta  

b)

infinity 

c)

Cos2θCos^2\theta  

d)

sec2θ\sec^2\theta  

e)

Undefined 

66.

secθcosθcos2θ\sec\theta\cos\theta-\cos^2\theta  Write as a monomial with a single trigonometric function


a)

sin2θ\sin2\theta  

b)

sin2θ\sin^2\theta  

c)

cos2θ\cos^2\theta  

d)

tanθ\tan\theta  

67.

Cos2θ +cos2θtan2θCos^2\theta\ +\cos^2\theta\tan^2\theta  Simplify the expression

a)

1

b)

0

c)

6

d)

3

68.

cosxtanx=\cos x\tan x=  

a)

cosx\cos x  

b)

tanx\tan x  

c)

sinx\sin x  

d)

cotx\cot x  

69.

cscxtanx=\csc x\tan x=  

a)

secx\sec x  

b)

cscx\csc x  

c)

sinx\sin x  

d)

cosx\cos x  

70.

tanx cotxcos2x=\tan x\ \cot x-\cos^2x=  

a)

sin2x\sin^2x  

b)

cos2x\cos^2x  

c)

tan2x\tan^2x  

d)

cot2x\cot^2x  

e)

1

71.

sec2xsinx cscx=\sec^2x-\sin x\ \csc x=  

a)

sin2x\sin^2x  

b)

cos2x\cos^2x  

c)

tan2x\tan^2x  

d)

cot2x\cot^2x  

e)

1