Answer:
The first one.
Step-by-step explanation:
Both of the equations in the parenthesis have the same value, and 1/2 isn't as much as a whole.
 
        
                    
             
        
        
        
 doo
doooo doooooooo
Step-by-step explanation:
 
        
             
        
        
        
Answer: C. 
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Explanation:
The x intercept always occurs when y = 0.
Use the unit circle to determine that  when
 when 
So if  , then we have
, then we have 

which shows us that  is the location of one of the infinitely many x intercepts for this function.
 is the location of one of the infinitely many x intercepts for this function.
 
        
             
        
        
        
Sorry if it’s wrong but I think it’s like that
 
        
        
        
Answer:
Identity property
Step-by-step explanation: