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Trig Unit 1 Review

Total questions: 20

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

 26°14 + 52°5426\degree14'\ +\ 52\degree54'  

a)

 78°6878\degree68'  

b)

 79°6879\degree68'  

c)

 79°879\degree8'  

d)

 79°3879\degree38'  

2.

 46°285446\degree28'54''  

Convert to decimal degrees 

a)

46.482

b)

46.2854

c)

46.521

d)

46.308

3.

 142°321561°3522142\degree32'15''-61\degree35'22''  

a)

 204°837204\degree8'37''  

b)

 80°3780\degree3'7''  

c)

 81°565381\degree56'53''  

d)

 80°565380\degree56'53''  

4.

 125.470°125.470\degree  

Convert to Degrees Minutes Seconds

a)

 125°1228125\degree12'28''  

b)

 125°2812125\degree28'12''  

c)

 125°47125\degree4'7''  

d)

 125°74125\degree7'4''  

5.

 142°142\degree  

Find an angle coterminal to the given angle.

a)

 502°502\degree  

b)

 322°322\degree  

c)

 38°-38\degree  

d)

 360°360\degree  

6.

Find the measure of each angle.

a)

12° , 78°12\degree\ ,\ 78\degree

b)

27°, 153°27\degree,\ 153\degree

c)

33°, 183°33\degree,\ 183\degree

d)

90°, 180°90\degree,\ 180\degree

7.

 34°,  83°34\degree,\ \ 83\degree  

Find the measure of the third angle of the triangle with the given angle measures.

a)

 180°180\degree  

b)

 63°63\degree  

c)

 49°49\degree  

d)

 117°117\degree  

8.

Classify the triangle

a)

Obtuse Equilateral

b)

Right Isosceles

c)

Acute Scalene

d)

Obtuse Scalene

9.

A tree casts a shadow 24 m long. At the same time, the shadow cast by a 44 cm tall statue is 76 cm. How tall is the tree?

a)

13.9 m

b)

139.3 m

c)

75.2 m

d)

28.9 m

10.

 cscθ=?\csc\theta=?  

Find the trig function above if the terminal side of an angle goes through the point (-5, 12). 

a)

 135-\frac{13}{5}  

b)

 513\frac{5}{13}  

c)

 1312\frac{13}{12}  

d)

 1312-\frac{13}{12}  

11.

 sin270°\sin270\degree  

a)

1

b)

0

c)

-1

d)

undefined

12.

 tan0°\tan0\degree  

a)

1

b)

0

c)

-1

d)

undefined

13.

 sec90°\sec90\degree  

a)

1

b)

0

c)

-1

d)

undefined

14.

Is x/y positive or negative in Quadrant III?

a)

Positive

b)

Negative

15.

 5tan180° +7sin90°2sec0°5\tan180\degree\ +7\sin90\degree-2\sec0\degree  

Evaluate the expression.

a)

10

b)

undefined

c)

5

d)

9

16.

 tanθ=25,  cotθ=?\tan\theta=\frac{2}{5},\ \ \cot\theta=?  

a)

 25-\frac{2}{5}  

b)

 35\frac{3}{5}  

c)

 52\frac{5}{2}  

d)

 52-\frac{5}{2}  

17.

 tanθ=72, θ is in Q2, sinθ=?\tan\theta=-\frac{7}{2},\ \theta\ is\ in\ Q2,\ \sin\theta=?  

a)

 25353\frac{2\sqrt{53}}{53}  

b)

 75353\frac{7\sqrt{53}}{53}  

c)

 75353-\frac{7\sqrt{53}}{53}  

d)

 27-\frac{2}{7}  

18.

 sinX=?\sin X=?  

a)

 129\frac{12}{9}  

b)

 45\frac{4}{5}  

c)

 35\frac{3}{5}  

d)

 34\frac{3}{4}  

19.

Find the value of x.

a)

35

b)

0

c)

10

d)

12.5

20.

 sinθ=45, θ is in Q4, find cosθ\sin\theta=-\frac{4}{5},\ \theta\ is\ in\ Q4,\ find\ \cos\theta  

a)

 35-\frac{3}{5}  

b)

 54-\frac{5}{4}  

c)

 35\frac{3}{5}  

d)

 34\frac{3}{4}