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A) PR/QR

B) QR/PR

C) PR/PQ

D) QR/PQ

RainbowPanda  Feb 28, 2018
edited by RainbowPanda  Feb 28, 2018
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1+0 Answers

 #1
avatar+86567 
+2

The best thing to do is to draw a mock figure

 

           R

 

P                  Q

 

 

PQ  is the hypotenuse

RQ  is the leg adjacent to angle Q

 

So.....cos Q  =   adjacent  / hypotenuse   =  RQ / PQ  =  QR / PQ

 

 

cool cool cool

CPhill  Feb 28, 2018

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