Pure Flashcards
1
Q
How do you know if two vector equations are parallel?
A
If direction are multiples of eachother
2
Q
What are skew lines? (3D)
A
lines which are not parallel and which do not intersect.
3
Q
How to work out perpendicular vectors?
A
-Theta equals 90 or 270
- A x B = 0
4
Q
What do when multiplying two mod/arg form equations?
A
- multiply r
- add theta
5
Q
What do when dividing two mod/arg form equations?
A
-divide r
- subtract theta
6
Q
How to change degrees to radians?
A
Multiply by pi/180
7
Q
How to change radians to degrees?
A
Multiply by 180/pi
