(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Determine the reduced row echolon form of

| cos(x) sin(x) |

| -sin(x) cos(x) |

2. Relevant 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

3. 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

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# Homework Help: Elementary Linear Algebra (matrix)

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