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If tan(x) =5/12 and x is in quadrant III, find cos(x). Please draw a reference triangle

 

ty~

 Feb 25, 2021
 #1
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Quadrant III  ==>  sin is negative, cos is negative

 

sin(x) = -5/13

 

cos(x) = -12/13

 Feb 25, 2021

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