A natural analogue to angles and trigonometry is developed in taxicab geometry. This structure is then analyzed to see which, if any, similar triangle relations hold. A nice application involving the use of parallax to determine the exact (taxicab) distance to an object is also discussed.

All of the subcases have a similar structure. We will prove the subcase . In this situation and we take the negative signs on the right-hand side of the equation. Thus,

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Tevian Dray Department of Mathematics Oregon State University Corvallis, OR 97331 |

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