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Math 11 Chapter 9
Fundamentals of Trigonometry
Test - 2
1.
Range of sine function lies between -1 and 1.
a) False
b) True
2.
Domain of tan
q
= {
q
/
q
Î
R^
q
= (2n + 1)
p
/2, n
Î
Z }
a) True
b) False
3.
Sec
q
Cosec
q
Sin
q
Cos
q
=1
a) False
b) True
4.
Cos
4
q
- Sin
4
q
= Cos
2
q
+ Sin
2
q
for
q
Î
R
a) False
b) True
5.
If the initial
`
ray OX rotates in anti clock wise direction in such a way that it coincides with itself, the angle formed is of measure.
a) 180
o
b) 270
o
c) 2
p
radians
d)
p
radians
6.
An arc subtends an angle of 7/12 radians at the center of the circle and it length is 63 cm. The radius of circle is:
a) 106 cm
b) None of the above
c) 84 cm
d) 108 cm
7.
If cosec
q
= -17/8 and tan
q
= 8/15 then terminal arm of the angle lies in
a) IV quadrant
b) II quadrant
c) III quadrant
d) I quadrant
8.
If tan
q
= 2/5 and terminal ray of
q
is not in 3rd quadrant then the value of 7 sin
q
+3cos
q
a) None of the above.
b) 29
c) 1/29
d) 1/29
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