WorksheetsUnit Circle Trig
Total questions: 18
Worksheet time: 53mins
Name
Class
Date
1.
Based on the unit circle, what is the value of sin?
a)
y
b)
x
c)
x/y
d)
y/x
2.
Based on the unit circle, what is the value of cos?
a)
y
b)
x
c)
x/y
d)
y/x
3.
Based on the unit circle, what is the value of tan?
a)
y/r
b)
x/r
c)
r/y
d)
y/x
4.
What is the radius of the unit circle?
a)
0
b)
1
c)
1/2
d)
√2/2
5.
cos (π/4)
a)
√3/2
b)
√2/2
c)
1/2
d)
1
6.
sin(315o)
a)
√2/2
b)
-√3/2
c)
½
d)
-√2/2
7.
cos(π)
a)
√3/2
b)
-√2/2
c)
-1
d)
1
8.
sin (π/2)
a)
√3/2
b)
√2/2
c)
1/2
d)
1
9.
cos(5π/3)
a)
-√2/2
b)
-1/2
c)
1/2
d)
√3/2
10.
tan(3π/4)
a)
√2/2
b)
-√2/2
c)
√3/2
d)
-1
11.
tan(300o)
a)
-√3 /3
b)
½
c)
2√3 /3
d)
-√3
12.
cos(30o)
a)
- ½
b)
√3/2
c)
2√3 /3
d)
½
13.
sin(11π/6)
a)
-1/2
b)
1/2
c)
√3/2
d)
-√3/2
14.
sin(120o)
a)
- ½
b)
√3/2
c)
2√3 /3
d)
½
15.
csc(30o)
a)
-√3/2
b)
½
c)
2√3 /3
d)
2
16.
tan(3π/2)
a)
-1
b)
UND
c)
√2
d)
-√3/3
17.
sec(90o)
a)
UND
b)
1
c)
-1
d)
0
18.
cot(45o)
a)
½
b)
1
c)
-1
d)
√2
100 %
