Which of the following expression expressions is equivalent to cos3x/sinxcosx?
       
      
                
     
    
    
    
    
    2 answers:
            
              
              
                
                
Correct Option:Option B
Solution:The given expression is:

cos(3x) can be written as cos(2x +x). Expanding it, we get:

Using this value of cos(3x) in given equation, we get:
 
 
                                
             
                    
              
              
                
                
Answer:
A.) cscxcos2x-secxsin2x
Step-by-step explanation:
I'm sorry I really do not know how to solve this but I just did the quiz and b was not correct.
 
                                
             
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Answer:
The answer is 54
Step-by-step explanation:
36+90=126
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Answer:
Ok im, not 100% sure but the answer is for 1-10, 2-20, 3-40,  4-40
 
        
                    
             
        
        
        
It's a reflection :) look up colin Dodds geometric transformations that's how I learned it it's a fun song
        
             
        
        
        
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