1 |
If sin Θ + cosec Θ = 2, then sin2 Θ + cosec2 Θ = |
2
4
0
8
|
2 |
(1 - cos2Θ) (1 + cot2Θ) = |
tan<sup>2</sup>Θ
0
1
-1
|
3 |
(1 - sin2Θ) (1 + tan2Θ) = |
0
1
Θ
-1
|
4 |
cos4Θ - sin4Θ = |
sin 2Θ
cos 2Θ
tan 2Θ
sec 2Θ
|
5 |
If the initial side of an angle is the positive x-axis and the vertex is at the origin, the angle is said to be in the _____________: |
initial position
finalposition
normalposition
standardposition
|
6 |
Which one is not a quadrant angle ? |
0°
90°
280°
270°
|
7 |
Which one is a quadrant angle ? |
60°
180°
120°
30°
|
8 |
In a triangle if α > 45°, ß > 30° then Γ cannot be: |
90°
100°
120°
10°
|
9 |
If sinΘ <0, cosΘ<0 then the terminal arm of the angle lies in quadrant: |
I
II
III
IV
|
10 |
If sin α < 0 and cos α > 0, then α lies in: |
I
II
III
IV
|
11 |
If cosec Θ > 0 and cot Θ < 0, then terminal arm of the angle lies in: |
I
II
III
IV
|
12 |
If tan Θ > 0 and sin Θ < 0 then terminal arm of the angle lies in quadrant: |
I
II
III
IV
|
13 |
|
30°
45°
60°
75°
|
14 |
180° = _____________: |
π radians
|
15 |
1° is equal to: |
|
16 |
1 radian is equal to: |
180°
none of these
|
17 |
To convert any angle in radians into degrees, we multiply the measure by: |
|
18 |
To convert any angle in degrees into radians, we multiply the measure by: |
|
19 |
The number of radius in the angle subtended by an arc of a circle at the center = |
radius × arc
radius - arc
|
20 |
|
|