00:01
A good place to start with these polar coordinates is that you find out where negative 4, 7, 5, or 6 is.
00:11
So what i like to do is start with that angle.
00:13
So if we look on the x, y, axis that our angle is going to be at 7 pi or 6, which is going to take me into quadrant 3, except that we have a negative value.
00:27
So that tells me that instead of going in this direction, 4 units, we have to go backwards.
00:33
So we're going to go in this direction.
00:36
So right there is the point that we're concerned ourselves with.
00:41
And so as you look at the options, i want to figure out what would be the same angle.
00:47
And chances are, is that the one that they're going to talk about is that four.
00:53
So it's a positive.
00:54
So it's going in that direction.
00:56
But then also whatever this angle would be.
00:59
So if i'm just thinking out loud that what you can do is take that seven pi or six.
01:05
And add one pi to it, which would be the same thing as, well, i guess technically what i'm doing is subtracting one pie.
01:16
And one pi would be the same thing as six pi over six...