Step-by-step explanation:
Use double and triple angle identities:
sin(2x) + cos(3x)
2 sin x cos x + 4 cos³x − 3 cos x
 
        
             
        
        
        
Answer:
yes it does. good job on your A.
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
3.5
Step-by-step explanation:
the answer is 3.5 because when you divide 63 and 18 you get 3.5