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WorksheetsUnit Circle 2
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
Using the unit circle find sec π/2 (hint: sec is the reciprocal of cos)
a)
undef
b)
0
c)
1
d)
-1
2.
Using the unit circle find cot π/4 (hint: cot is the reciprocal of tan)
a)
-1
b)
-√3
c)
√3
d)
1
3.
Using the unit circle find csc 330⁰ (hint: csc is the reciprocal of sin)
a)
2
b)
-2
c)
√2
d)
-√2
4.
Using the unit circle find sin 5π/6
a)
√3/2
b)
-√3/2
c)
1/2
d)
-1/2
5.
Using the unit circle find cos 225⁰
a)
-√3/2
b)
√3/2
c)
√2/2
d)
-√2/2
6.
Using the unit circle find tan 4π/3
a)
√3
b)
-√3
c)
-√3/3
d)
√3/3
7.
4π/3 is equal to how many degrees? (hint: multiply by 180/π)
a)
60°
b)
240°
c)
300°
d)
120°
8.
What is 5π/6 radians in degrees? (hint: multiply by 180/π)
a)
180
b)
150
c)
360
d)
120
9.
What is 225 degrees in radians? (hint: multiply by π/180)
a)
7π/4
b)
5π/4
c)
3π/4
d)
5π/3
10.
What is 60 degrees in radians? (hint: multiply by π/180)
a)
2π/3
b)
π/3
c)
4π/3
d)
π/6
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