Answer:
There you go , happy to help
 
        
                    
             
        
        
        
Answer:
you need a y to get at least 1 point
 
        
             
        
        
        
Answer:
sin²x
Step-by-step explanation:
we have
(1 − cos x)(1 + cos x)=1-cos²x
Remember that
sin²x+cos²x=1 ------> i-cos²x=sin²x
therefore
(1 − cos x)(1 + cos x)=sin²x
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
p=200+25(n)
 
        
             
        
        
        
Answer:
8.62
Step-by-step explanation:
a squared + b squared = c squared 
15 squared + b squared = 17.3 squared
225 + b squared = 299.29
b squared = 74.29
b = 8.619