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WorksheetsTrigonometry
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
a)
√3/3
b)
√3
c)
1
d)
undefined
2.
a)
½
b)
√2/2
c)
√3/2
d)
1
3.
sin 2π/3
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
4.
cos 225⁰
a)
-√3/2
b)
√3/2
c)
√2/2
d)
-√2/2
5.
csc 330⁰
a)
2
b)
-2
c)
√2
d)
-√2
6.
cot π/4
a)
-1
b)
-√3
c)
√3
d)
1
7.
csc 60
a)
2
b)
-2
c)
2√3/3
d)
-2√3/3
8.
The hypotenuse of any right triangle from the center of the unit circle to an edge is always
a)
1
b)
sqt2/2
c)
sqt3/2
d)
1/2
9.
Tangent is...
a)
a. Opposite/hypotenuse
b)
b. sine/cosine
c)
c. neither a or b
d)
d. both a and b
10.
For what angles are sine and cosine the same?
a)
0o
b)
45o and 1350
c)
45o and 2250
d)
45o and 3150
11.
What is 4π/3 radians in degrees?
a)
120
b)
240
c)
210
d)
270
12.
What is 150 degrees in radians?
a)
5π/6
b)
7π/6
c)
5π/4
d)
π/6
13.
Which of the following is a negative coterminal angle of 165 degrees?
a)
195
b)
525
c)
-525
d)
-195
14.
What are the negative and positive coterminal angles of 240 degrees?
a)
540°, -120°
b)
600°, -120°
c)
425°, -240°
d)
120°, -135°
15.
Find a coterminal angle to -180 degrees.
a)
180
b)
90
c)
270
d)
360
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