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| -rw-r--r-- | ClassJune26.page | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/ClassJune26.page b/ClassJune26.page index 81cd2eb..36c2e17 100644 --- a/ClassJune26.page +++ b/ClassJune26.page @@ -29,9 +29,8 @@ say this one, you rescale by its length, which we call its \textbf{magnitude}, and rotate counterclockwise by the angle it forms with the positive reals, with the horizontal, which we call its \textbf{argument}. So multiplying by this doubles lengths, and rotates $45^{\circ}$ counterclockwise; -\[ -(\nearrow)\cdot(\uparrow)=(\nwarrow)\] +$(\nearrow)\cdot(\uparrow)=(\nwarrow)\$ Multiplying by this halves lengths and rotates $300^{\circ}$ counterclockwise (or $60^{\circ}$ clockwise), taking this to that, and this to that. |