http://www.grabup.com/uploads/440022...17DB43F109.png

The vectorais in the planeOxyWhereOx, Oyare the coordinate axes, and makes an angle withOx, as in the above diagram. Find the components ofaalongOx, Oywhenaequals 10.

My answer:

Answer:

http://www.grabup.com/uploads/330022...17DB50F130.png

Is this right?