WorksheetsUsing the Unit Circle
Total questions: 25
Worksheet time: 18mins
Name
Class
Date
1.
sin 6π
a)
23
b)
22
c)
21
2.
What is the value of cosine at 0
a)
0
b)
1/2
c)
1
d)
√3 / 2
3.
What is the value of sine at 30
a)
1/2
b)
√3 / 2
c)
0
d)
√2 ⁄ 2
4.
What is the value of cosine at 270
a)
0
b)
1
c)
-1
5.
sin π/4
a)
√2∕2
b)
1/2
c)
√3/2
d)
0
6.
cos 5π/6
a)
-1/2
b)
1/2
c)
√3/2
d)
-√3/2
7.
a)
1
b)
-1
c)
0
d)
√2/2
8.
sin 7π/6
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
9.
sinθ is positive in
a)
the 1st and 2nd quadrants
b)
the 1st and 3rd quadrants
c)
the 1st and 4th quadrants
d)
the 2nd and 3rd quadrants
10.
cosθ is positive in
a)
the 1st and 2nd quadrants
b)
the 1st and 3rd quadrants
c)
the 1st and 4th quadrants
d)
the 2nd and 3rd quadrants
11.
sec 3π/2
a)
0
b)
undefined
c)
1
d)
-1
12.
cos 4π/3
a)
-√3/2
b)
√3/2
c)
1/2
d)
-1/2
13.
sin 7π/6
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
14.
sin 2π/3
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
15.
tan (-π)
a)
undefined
b)
0
c)
1
d)
-1
16.
sin 45π
a)
22
b)
−22
c)
1
d)
-1
17.
tan 43π
a)
1
b)
-1
c)
2
d)
−2
18.
sin 65π
a)
23
b)
−23
c)
21
d)
−21
19.
cos (−3π)
a)
23
b)
−23
c)
21
d)
−21
20.
sin 23π
a)
0
b)
1
c)
-1
d)
undefined
21.
cos 67π
a)
23
b)
−23
c)
21
d)
−21
22.
tan 2π
a)
0
b)
1
c)
-1
d)
undefined
23.
csc 65π
a)
2
b)
−2
c)
21
d)
−21
24.
tan 32π
a)
−3
b)
−31
c)
31
d)
−23
25.
csc (−6π)
a)
2
b)
1/2
c)
-2
d)
-1/2
100 %
