In the given figure, from the point $$P$$ two tangents $$PA$$ and $$PB$$ are drawn to a circle with centre $$O$$ and radius 5 cm. From the point $$O, OC$$ and $$OD$$ are drawn parallel to $$PA$$ and $$PB$$ respectively. If the length of the chord $$AB$$ is 5 cm. then what is the value (in degrees) of $$\angle COD$$?

A

90

B

120

C

150

D

135