- #1

- 6

- 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