Math 11 Chapter 13Inverse Trigonometric FunctionsTest - 4

Math 11 Chapter 13
Inverse Trigonometric Functions
Test - 4

1. Sine function is one to one.

a) y = 2 sin^-1x.
b) y= cosec^-1(x/2)
c) an^-1(3/4)
d) x = 2 sin^-1x.

2. y= sin^-1x if and only if x=sin y where -1£ x £1 and

a) - p/2£ x £ p/2
b) - p/2£ y £ p/3
c) - p/2£ y £ p/5
d) - p/2£ y £ p/2

3. The range of y= cosec x is y £-1 or ______________.

a) Sin y
b) cos y
c) cos x
d) Sin x

4. The graph of y= tan^-1x is obtained by reflecting the restricted portion of the graph of y= tan x about the line y = x.

a) True
b) False

5. The domain of the function y= cos^-1 x is -1£ x £1

a) True
b) False

6. Cosine function is one to one.

a) True
b) False

7. Cos (tan^-1) is

a) -p/3
b) - 2p/3
c) 2 p/3
d) p/3

8. The inverse exists only for the function which is…..

a) One to one
b) into
c) onto
d) All of these

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