+0  
 
+1
460
1
avatar+95 

 

Please help with this question. Thank you! 

 Apr 18, 2019
 #1
avatar+128053 
+2

This is the intersection of the tangent graph with the line y = -1

 

So

 

tan x  =  -1

 

 

cool cool cool

 Apr 18, 2019

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