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Math 11 Chapter 9
Fundamentals of Trigonometry
Test - 4
1.
If the terminal side of an angle falls on x-axis or y- axis, it is called?
a) equilateral angle
b) acute angle
c) abtuse angle
d) quadrantal angle
2.
Sin
2
q
= (_______________)
2
.
a) (sin )
2
.
b) (sin )
3
.
c) (sin )
4
.
d) (sin )
-2
.
3.
2
p
/3 radian = (_____________)
o
.
a) 320
o
b) 130
o
c) 120
2
d) 120
o
4.
Sin (420)
o
= _______.
a) Cos 90
o
=1/2.
b) Cos 60
o
=1/2.
c) Cos 80
o
=1/2.
d) Sin 60
o
=1/2.
5.
If
q
lies in 2nd quadrant then any point on its terminal ray has __________ abscissa.
a) divisible
b) negative
c) addative
d) positive.
6.
If sin
q
< 0 and cos
q
> 0 then angle
q
lies in ________ quadrant.
a) III quadrant.
b) IV quadrant.
c) II quadrant.
d) I quadrant.
7.
Sin (-330)
o
= ____________.
a) 1 / 4
b) 1 / 2
c) 1 / 3
d) 1 / 6
8.
The values of all trigonometric function of -7
p
/4 are the same as those of __________.
a)
p
/8
b)
n
/4
c)
p
/6
d)
p
/4
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