- #1
dazedoutpinoy
- 5
- 0
Homework Statement
Determine the reduced row echolon form of
| cos(x) sin(x) |
| -sin(x) cos(x) |
Homework Equations
you can interchange any two rows or columns, multiply a row or column by a nonzero number, add a multiple of one row or column to another
The Attempt at a Solution
|1 0|
|0 1|
is the solution but i couldn't figure out how to apply trig functions to equal 1 on the matrix