They are all repeats, of repeats of repeats.
Its making me go insane.
I saw one episode last night or somehting and it was the same episode that l've seen about 8 times this year.
You can buy seperators, whichcan be plactic or cardboard and which have a Tab on the side. Their pretty cheap and you can use them to divide your notes up...
Also have a folder for each subject and a BIG folder at home with all ofy your notes etc.
For ii) this is what l did:
cosine = 18/22 = 35.1
i) l am not sure about..
iii) l'm not so sure about either, but you just have to find the bearing, so you find out the distance in degrees form Z to Y.