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Solve on the interval [0,2pi): 4cscx+6=-2

 Sep 19, 2014

Best Answer 

 #1
avatar+26396 
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Solve on the interval [0,2pi): 4cscx+6=-2

4csc(x)+6=2|64csc(x)=8|:2csc(x)=2|csc(x)=1sin(x)1sin(x)=2sin(x)=12

x1=sin1(12)x1=sin1(12)x1=30\ensurement+360\ensurement=330\ensurement

x2=180\ensurement(30\ensurement)=210\ensurement

 Sep 19, 2014
 #1
avatar+26396 
+8
Best Answer

Solve on the interval [0,2pi): 4cscx+6=-2

4csc(x)+6=2|64csc(x)=8|:2csc(x)=2|csc(x)=1sin(x)1sin(x)=2sin(x)=12

x1=sin1(12)x1=sin1(12)x1=30\ensurement+360\ensurement=330\ensurement

x2=180\ensurement(30\ensurement)=210\ensurement

heureka Sep 19, 2014

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