Question 1155149
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You have tan(x) = {{{4/3}}} = 1.3333


You need arctan(1.3333).


It is  arctan(1.3333) = 0.92728 radians = {{{0.92728*(360/(2*pi))}}} = {{{0.92728*(360/(2*3.14159))}}} = 53.1 degrees.    <U>ANSWER</U>
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Solved.