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sin(3pi-x)

Guest May 20, 2015

Best Answer 

 #1
avatar+92806 
+5

$$sin(3\pi -x)=sin3\pi cosx-cos3\pi sinx=0--1sinx=sinx$$

 

OR

you could just say 

 

$$sin(3\pi -x)=sin(3\pi-2\pi -x)=sin(\pi -x)=sinx$$

Melody  May 21, 2015
 #1
avatar+92806 
+5
Best Answer

$$sin(3\pi -x)=sin3\pi cosx-cos3\pi sinx=0--1sinx=sinx$$

 

OR

you could just say 

 

$$sin(3\pi -x)=sin(3\pi-2\pi -x)=sin(\pi -x)=sinx$$

Melody  May 21, 2015

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