WorksheetsTrigonometry 1
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
Sin(2π-x)=
a)
Cosx
b)
Sinx
c)
-sinx
d)
None
2.
tan(-300°)
a)
3
b)
1
c)
√3
d)
-√3
3.
If Cosx=1/2 then cos3x=
a)
-2
b)
-1
c)
-3/2
d)
-1/2
4.
tanx=-3 then x lies in which quadrant
a)
2&3
b)
2&4
c)
3&4
d)
None
5.
If x=π/15 then 32 cosx cos2x cos4x cos8x=?
a)
-1/16
b)
-1
c)
-2
d)
1/16
6.
Unit of circular measurement is
a)
Degree
b)
Radian
c)
Grade
d)
None
7.
A wheel makes 360 revolution per minute. Through how many radians does it turn in 1 second?
a)
2π
b)
12π
c)
22π
d)
21π
8.
Sin17π/6=?
a)
1/2
b)
-1/2
c)
-1
d)
None
9.
In ∆ABC, cos(A+B)+ cosC=?
a)
0
b)
1
c)
2
d)
None
10.
Which of the following is incorrect?
a)
Sinx=1/9
b)
Cosecx=3
c)
Secx=1/2
d)
tanx=200
100 %
