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## Homework Statement

Find the matrix that represents a rotation counterclockwise around the origin by 75 degrees followed by a reflection about the x-axis

## Homework Equations

I know that for A rotated counter clockwise you use the 2x2 matirx [cos(theta), -sin(theta)] [sin(theta, cos(theta)] and for a reflection about the x-axis you use the 2x2 matrix [1,0] [0,-1].

## The Attempt at a Solution

To be perfectly honest, I am unsure what to do with this information. I don't want the problem solved i just need some guidance, please!