Use the Pythagorean identity
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer:
 2√61/19
Step-by-step explanation:
sin^2 x = 1 - cos^2 x
             =  1 - (3√13/ 19)^2
              =   1 - 117/361
               =  244/361
sin x       = √244/19
               = 2√61/19.
 
                                
             
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Answer:
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Step-by-step explanation:
-36v+42=186
-36v=144
v=-4
 
        
                    
             
        
        
        
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