Alpha Geek
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Problem 2.55 Using a theodolite with a laser range finder, a researcher at point A locates a pair of rare birds nesting at point B and determines the direction angles 
 
 and distance 224 m for a position vector from point A to B. For subsequent observations, the researcher would like to use position C, and thus while at point A, she also measures the direction angles 
 distance 507 m for a position vector from point A to C. For observation from point C, determine the direction angles and distance to the nest at B.
