Hope this helps have a nice day
 
        
        
        
I believe the second one, double check
        
             
        
        
        
Step-by-step explanation:
 okay 
I think you should use the method of tan 30 
and then find x by using pythagorean theorem 
 
        
             
        
        
        
Answer:
14 kg,35hg,500g,50mg.....
.....
 
        
                    
             
        
        
        
Answer:
π/8
Step-by-step explanation:
Phase shift = c/b
= (π/2) / 4
= π/8