Question: A very narrow laserbeam is incident at an angle of 58 on a horizontal mirror. The reflected beam strikes a wall at a spot 5.0

A very narrow laserbeam is incident at an angle of 58° on a horizontal mirror. The reflected beam strikes a wall at a spot 5.0 m away from the point of incidence where the beam hit the mirror. How far horizontally is the wall from that point of incidence?

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