+0  
 
-1
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Can someone solve this?

 

 

 Apr 13, 2020
 #1
avatar+23689 
+1

remember   1- cos2    = sin2

so the left side becomes     sin / sin = 1

similarly the right side 1-sin2=cos2    cos/cos =1  

1+1 = 2

 

 

 

Second question   C   is the only answer that would be true.....can you think of why?

 Apr 13, 2020
edited by ElectricPavlov  Apr 13, 2020

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