1. In the first quadrant, if sin θ =
a)
π
4
b)
π
2
2. In the first quadrant, if cosθ =
a)
π
6
b)
π
3
3. In the first quadrant, if cosθ =
a)
π
6
b)
π
3
4. In the first quadrant, if tan θ =
a)
π
6
b)
π
3
2
, then θ =
2
c)
π
6
b)
π
3
c)
π
6
b)
π
3
5π
4
e)
7π
4
π
2
d)
2π
3
e)
5π
6
d)
2π
3
e)
5π
6
d)
2π
3
e)
5π
6
d)
2π
3
e)
5π
6
d)
2π
3
e)
5π
6
1
, then θ =
2
c)
π
2
3 , then θ =
c)
c)
6. In the second quadrant, if sin θ =
a)
d)
3
, then θ =
2
5. In the second quadrant, if sin θ =
a)
3π
4
c)
π
2
3
, then θ =
2
π
2
1
, then θ =
2
π
2
7. In the second quadrant, if cosθ = −
a)
π
4
b)
π
2
c)
2
, then θ =
2
3π
4
d)
5π
4
e)
7π
4
d)
5π
4
e)
7π
4
2π
3
e)
5π
6
5π
4
e)
7π
4
5π
3
e)
11π
6
8. In the second quadrant, if tan θ = −1 , then θ =
a)
π
4
b)
π
2
c)
3π
4
9. In the second quadrant, if tan θ = −
a)
π
6
b)
π
3
c)
10. In the third quadrant, if sin θ = −
a)
π
4
b)
π
2
c)
11. In the third quadrant, if cosθ = −
a)
7π
6
b)
4π
3
c)
3
, then θ =
3
π
2
d)
2
, then θ =
2
3π
4
d)
3
, then θ =
2
3π
2
d)
12. In the third quadrant, if cosθ = −
a)
7π
6
b)
4π
3
7π
6
b)
4π
3
3π
2
c)
13. In the third quadrant, if tan θ =
a)
1
, then θ =
2
7π
6
b)
4π
3
c)
c)
15. In the fourth quadrant, if sin θ = −
a)
7π
6
b)
4π
3
c)
16. In the fourth quadrant, if cosθ =
a)
π
4
b)
π
2
c)
5π
3
e)
11π
6
d)
5π
3
e)
11π
6
5π
3
e)
11π
6
5π
3
e)
11π
6
5π
4
e)
7π
4
3
, then θ =
3
14. In the fourth quadrant, if sin θ = −
a)
d)
3π
2
3
, then θ =
2
3π
2
d)
1
, then θ =
2
3π
2
d)
2
, then θ =
2
3π
4
d)
17. In the fourth quadrant, if tan θ = −1 , then θ =
a)
π
4
b)
π
2
5π
4
e)
7π
4
d)
5π
3
e)
11π
6
c) π
d)
3π
2
e) all of these
c) π
d)
3π
2
e) all of these
π
2
d)
3π
2
e) all of these
c)
3π
4
d)
18. In the fourth quadrant, if tan θ = − 3 , then θ =
a)
7π
6
b)
4π
3
c)
3π
2
19. If cosθ = 1 , then θ =
a) 0
b)
π
2
20. If sin θ = −1 , then θ =
a) 0
b)
π
2
21. If tan θ = 0 , then θ =
a) 0
b)
π
4
c)