| 1 |
if sin x + cos x = 0, then x = _________: |
none of these
|
| 2 |
|
0
4
1
3
|
| 3 |
|
0
1
3
2
|
| 4 |
|
0
2
1
3
|
| 5 |
There is a solution of the equation 2 sin Θ + 1 = 0 in the quadrants: |
1 and 2
1 and 3
2 and 4
3 and 4
|
| 6 |
Trigonometric equation has _________ solutions: |
unique
finite
infinite
no
|
| 7 |
General angles of inverse trigonometric functions are written by using their: |
Domain
Range
Periodicity
Quadrants
|
| 8 |
Reference angles is always in: |
IQ
IIQ
IIIQ
IVQ
|
| 9 |
tan-1(-√3) is: |
|
| 10 |
|
|
| 11 |
cos(tan-1∞) = |
0
∞
1
|
| 12 |
tan(π + cot-1x ) = |
|
| 13 |
tan(π + tan-1x ) = |
x
π+x
π-x
none of these
|
| 14 |
cos (2sin-1 x) = |
1- 2x<sup>2</sup>
1 + 2x<sup>2</sup>
2x<sup>2</sup>- 1
x<sup>2</sup>- 1
|
| 15 |
|
0
|
| 16 |
|
|
| 17 |
|
|
| 18 |
|
|
| 19 |
|
|
| 20 |
|
x-axis
y-axis
y = x
y = -x
|
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