1 |
|
A is superset of B
B is superset of A
A is subset of B
A is equivalent to B
|
2 |
|
|
3 |
|
0
i
-i
1
|
4 |
If z = x + i y = r (cos Θ + i sin Θ), then arg z is: |
tan Θ
cos<sup>2</sup>Θ + sin<sup>2</sup>Θ
r
Θ
|
5 |
Factors of x2 + y2 are: |
(x + iy) (x - iy)
(x + y) (x - y)
(x + y) (x + y)
none
|
6 |
Which of the following is correct: |
2 + 7i > 10 + i
1 + i > 1 - i
4 + 3i > 1 + 3i
none of these
|
7 |
|
i
0
|
8 |
|
x = 0, y = 0
|
9 |
|
z is purely real
z is any complex number
z is purely imaginary
real part of z = imaginary part of z
|
10 |
Given tan Θ = 1 |
Θ lies in quadrants 1 and 4
cos Θ = √2
|
11 |
|
|
12 |
|
|
13 |
|
|
14 |
|
|
15 |
|
|
16 |
The general solution of sin x = cos x is ___________: |
nπ
2nπ
|
17 |
Which trigonometric equation has secondary solution ? |
sin Θ = 1
cos Θ = 1
sec Θ = 0
tan Θ = 1
|
18 |
|
|
19 |
|
|
20 |
|
|