The zero propperty because you are add any thing plus zero
        
             
        
        
        
Answer:
Step-by-step explanation:
sin 30+tan²(60)+sec²(45)
=1/2+ (√3)^2+(√2)²
=1/2+3+2
=5 1/2
=5.5
 
        
             
        
        
        
Answer:
I was expecting a mirror but okay 
 
        
                    
             
        
        
        
Do what is in brackets first, then the multiplication.
        
             
        
        
        
Answer:oh goodness
Step-by-step explanation: