Find angle X, in the second qudrant whose tangent is -5
Find angle X, in the second quadrant whose tangent is -5
\(x = arctan (-5)\)
\({\color{blue}x=101.3099°}\) !
Enter (-5)
Enter " sec atan = " ⇒ -78.6901° (fourth quadrant)
Enter " +180 = " ⇒ 101.3099° (second quadrant)
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