1 
If tan Θ > 0 and sin Θ < 0 then terminal arm of the angle lies in quadrant: 

2 
(1  sin<sup>2</sup>Θ) (1 + tan<sup>2</sup>Θ) = 

3 
Which one is not a quadrant angle ? 
 A. 0°
 B. 90°
 C. 280°
 D. 270°

4 
If sin α < 0 and cos α > 0, then α lies in: 

5 
cos<sup>4</sup>Θ  sin<sup>4</sup>Θ = 
 A. sin 2Θ
 B. cos 2Θ
 C. tan 2Θ
 D. sec 2Θ

6 
If s denotes the length of the arc intercepted on a circle of radius r by a central angle of α radians, then: 
 A. s = rα
 B. s = r + α
 C.
 D. none of these

7 
1° is equal to: 

8 
 72° = ___________________: 
 A.
 B.
 C.
 D. none of these

9 
If the initial side of an angle is the positive xaxis and the vertex is at the origin, the angle is said to be in the _____________: 
 A. initial position
 B. finalposition
 C. normalposition
 D. standardposition

10 
180° = _____________: 
