WorksheetsSYMKC 9
Total questions: 40
Worksheet time: 13mins
Name
Class
Date
1.
sin π/4
a)
√2∕2
b)
1/2
c)
√3/2
d)
0
2.
cos 5π/6
a)
-1/2
b)
1/2
c)
√3/2
d)
-√3/2
3.
cos 4π/3
a)
-√3/2
b)
√3/2
c)
1/2
d)
-1/2
4.
sin 2π/3
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
5.
What is the exact coordinates of 3π/4 on the unit circle?
a)
(−√2∕2, √2∕2)
b)
(−√2∕2, −√2∕2)
c)
(−√3∕2, −√2∕2)
d)
(√2∕2, −√2∕2)
6.
a)
-√3/2
b)
-½
c)
-√2/2
d)
-1
7.
a)
1
b)
-1
c)
0
d)
√2/2
8.
a)
√3/3
b)
√3
c)
1
d)
undefined
9.
a)
-1
b)
0
c)
undefined
d)
√3
10.
a)
½
b)
√2/2
c)
√3/2
d)
1
11.
cos(60°)
a)
0
b)
1/2
c)
√3/2
d)
1
12.
cos 150o
a)
-1/2
b)
1/2
c)
√3/2
d)
-√3/2
13.
sin 7π/6
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
14.
What is the radius of a unit circle?
a)
1
b)
2
c)
1/2
d)
0
15.
What is the exact value of sin 150°
a)
-1/2
b)
-√3/2
c)
1/2
d)
√3/2
16.
What are the coordinates of 60° on the unit circle?
a)
(0, 1)
b)
(1/2, √3/2)
c)
(√3/2, 1/2)
d)
(√2/2, 1/2)
17.
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
18.
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
19.
What is sin 45°?
a)
1
b)
√3/2
c)
½
d)
√2/2
20.
What is cos 90°?
a)
½
b)
undefined
c)
1
d)
0
21.
What is tan 45°?
a)
1
b)
√2/2
c)
√3/2
d)
½
22.
What is cos 30°?
a)
√3/2
b)
½
c)
√2/2
d)
1
23.
sin π/4
a)
√2∕2
b)
1/2
c)
√3/2
d)
0
24.
cos 5π/6
a)
-1/2
b)
1/2
c)
√3/2
d)
-√3/2
25.
cos 4π/3
a)
-√3/2
b)
√3/2
c)
1/2
d)
-1/2
26.
What is the exact coordinates of 3π/4 on the unit circle?
a)
(−√2∕2, √2∕2)
b)
(−√2∕2, −√2∕2)
c)
(−√3∕2, −√2∕2)
d)
(√2∕2, −√2∕2)
27.
sin 2π/3
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
28.
cos(π)=
a)
0
b)
1
c)
-1
d)
1/2
29.
cos (π/4)
a)
√3/2
b)
√2/2
c)
1/2
d)
1
30.
What is the radius of the unit circle?
a)
0
b)
1
c)
1/2
d)
√2/2
31.
What is the value of cosine at 0
a)
0
b)
1/2
c)
1
d)
√3 / 2
32.
What is the value of cosine at 135
a)
0
b)
1/2
c)
√2 /2
d)
-√2 /2
33.
tanθ 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
34.
What is the reciprocal of the sine function?
a)
cosecant
b)
cosine
c)
secant
d)
cotangent
35.
tan 7π/4
a)
-1
b)
1
c)
√2/2
d)
undefined
36.
sec 3π/2
a)
0
b)
undefined
c)
1
d)
-1
37.
sin 7π/6
a)
1/2
b)
-1/2
c)
√3/2
d)
-√3/2
38.
tan (-π)
a)
undefined
b)
0
c)
1
d)
-1
39.
How many radians in a full circle?
a)
π/2
b)
π
c)
3π/2
d)
2π
40.
How many degrees in a full circle?
a)
90°
b)
180°
c)
270°
d)
360°
100 %
