How to have a object move at an angle?

Help Requests
1

for example if the angle is 90 I would like to object to move up.

2

Move forwards, or if you want I can walk you through some cosine and sine to make it much much more complex but more smooth. Also you can just move up by using y.

3

can you quickly explain the cosine and sine thing? I already know some basic triangulation.

4

This is done with sin cos