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Math 11 Chapter 13
Inverse Trigonometric Functions
Test - 2
1.
The domain of principal tangent function is [0,
p
]
a) True
b) False
2.
To make a trigonometric function one to one, its ___________ is restricted.
a) 1
b) 1/6
c) 5/6
d) None of the above.
3.
If a function is not one to one, it may be made so by?
a) restricting its domain
b) multiplying it by 1
c) multiplying it by 2
d) multiplying it by 0
4.
A sine function is said to be principal sine function if its domain is restricted to the interval?
a) [-π/2, π/3]
b) [-π/3, π/2]
c) [-π/2, π/2]
d) [-π/4, π/2]
5.
Sin
-1
x = (Sin x)
-1
a) False
b) True
6.
Inverse sine function is written as _________.
a) domain
b) range
c) None of them
d) period
7.
The inverse of only one to one function exists.
a) Sin
-1
x =
p
/2 - ___________.
b) tan
-1
b
c) Cos
-1
+ Cos
-1
y
d) When domain of y = cos x is O
£
x
£
p
, its range will be _________.
e) The function y = Sec
-1
x is not defined for x when ___________.
8.
If y = sec x where o
£
x
£
p
and x
¹
p
/2 is called the __________________ function.
a) (sin x)
-1
b) Sin x
-1
c) arc sin x
d) arc sin
-1
x
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