3

2

5

6

0

1

2

3

Does not exist

Is towards origin

Is indeterminate

None of these

0 < θ < ^π/2

0 ≤ θ ≤ ^π/2

0 < θ < π

0 ≤ θ ≤ π

Collinear

Vertices of a triangle

Vertices of a right angled triangle

None of these

sin^-1(¹/3)

sin^-1(^-1/3)

cos^-1(¹/3)

cos^-1(^-1/3)

180^o

90^o

0^o

45^o

√14

√29

√43

√53

^π/3

^π/6

^π/4

^π/2

0

30

60

90