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Math 11 Chapter 11
Trigonometric Functions and Their Graphs
Test - 3
1.
Period of y= 3 cos (x/5) is 3
p
.
a) False
b) True
2.
Domain of secant and tangent function is R - {x|x = (2n +1)
p
/2, n
Î
Z}.
a) False
b) True
3.
Domain of y=Cosec x
a) R{x/ y = n
p
, n
Î
Z}
b) R -{x/ x = n
p
, n
Î
Z}
c) -R -{x/ x = n
p
, n
Î
Z
d) R+{x/ x = n
p
, n
Î
Z}
4.
Period of tan ( x/7)
a) 9
p
b) 8
p
c) -7
p
d) 7
p
5.
Domain of sine function is
a) R
b) [ -1, 1]
c) Set of +ve integers
d) Set of integers.
6.
Range of the function y= tan (x/7) is the set of all real numbers.
a) False
b) True
7.
The tan x function is undefined at x where x is __________.
a) Odd multiple of ^/6
b) Odd multiple of ^/3
c) Odd multiple of ^/2
d) Odd multiple of ^/4
8.
For any real number
q
there is one and only one value of each _____________ in a point on the terminal ray.
a) x
b) x and y
c) a and b
d) y
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