More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Pre General Science Mathematics Chapter 15 Inverse Trigonometric Functions Online Test MCQs With Answers
Question # 1
In the interval 0≤ x ≤ π, the sine is
Choose an answer
Not a function
Not defined
Infinity
Not one-to-one function
Previous
Skip
Next
Question # 2
Choose an answer
Previous
Skip
Next
Question # 3
Choose an answer
Previous
Skip
Next
Question # 4
Choose an answer
Previous
Skip
Next
Question # 5
Choose an answer
Previous
Skip
Next
Question # 6
What is the value of cos-1(1/2)?
Choose an answer
π/3
π/4
3π/2
π/6
Previous
Skip
Next
Question # 7
Choose an answer
Previous
Skip
Next
Question # 8
Choose an answer
Previous
Skip
Next
Question # 9
Choose an answer
π / 3
π / 4
π / 6
0
Previous
Skip
Next
Question # 10
The number of triplets (x, y, z) satisfying sin
-1
x +cos
-1
y + sin
-1
z = 2
π
is
Choose an answer
0
2
1
Infinite
Previous
Skip
Next
Question # 11
If cos
-1
p + cos
-1
q + cos
-1
r =
π
then p
2
+ q
2
+ r
2
+ 2pqr is equal to
Choose an answer
3
1
2
-1
Previous
Skip
Next
Question # 12
The Principal value of sin-1 (-1/1/2)
Choose an answer
π/2
-π/2
π
-π
Previous
Skip
Next
Question # 13
What is the value of cos (cos-1 2) ?
Choose an answer
√2
1/2
undefine
0
Previous
Skip
Next
Question # 14
Choose an answer
1
7
4
None of these
Previous
Skip
Next
Question # 15
Choose an answer
1
-1
0
None of these
Previous
Skip
Next
Question # 16
Choose an answer
π / 3
π / 4
π / 2
π
Previous
Skip
Next
Question # 17
Cos-1(x)=
Choose an answer
cos x
x
tan-1(-x)
Sec-1 (1/x)
Previous
Skip
Next
Question # 18
Choose an answer
Previous
Skip
Next
Question # 19
Sin
-1
(-x)=
Choose an answer
Cos
-1
1/x
- Sin
-1
X
Cot
-1
X
None of these
Previous
Skip
Next
Question # 20
Choose an answer
Previous
Skip
Next
Question # 21
Sec
-1
x =
Choose an answer
Cos
-1
1/x
cosec
-1
1/x
Cos
-1
(-x)
Tan
-1
x
Previous
Skip
Next
Question # 22
Choose an answer
0
1
-1
None of these
Previous
Skip
Next
Question # 23
Choose an answer
Previous
Skip
Next
Question # 24
x = sin
-1
3, then the value of sin x is
Choose an answer
√(3/2)
3
Not possible
-1
Previous
Skip
Next
Question # 25
The value of sin-1 24/25 is equal to
Choose an answer
csc-1 25/24
sec-1 24/25
2 tan-1 4/5
2cos-1 24/25
Previous
Skip
Next
Question # 26
tan
-1
(1/4) + tan
-1
(2/9) is equal to
Choose an answer
1/2 cos
-1
(3/5)
1/2 sin
-1
(3/5)
1/2 tan
-1
(3/5)
tan
-1
1/2
Previous
Skip
Next
Question # 27
The value of sin
-1
5/13 is equal to
Choose an answer
Cos 5/13
Tan
-1
5/12
cos
-1
5/12
2 cos
-1
4/5
Previous
Skip
Next
Question # 28
sin[cot
-1
{cos(tan
-1
x)}]=
Choose an answer
Previous
Skip
Next
Question # 29
If cos (2 sin-1 x) = 1/9 , then what is the value of x?
Choose an answer
1/3
-2/3
2/3
2/3 , -2/3
Previous
Skip
Next
Question # 30
Choose an answer
Previous
Skip
Next
Question # 31
The exact degree value of the function sin-1( -√3/2) is
Choose an answer
70
ο
50
ο
90
ο
60
ο
Previous
Skip
Next
Back
