Answer:
   
Step-by-step explanation:
The appropriate trig identity is ...
   
Here, you have a scale factor of 6 and a=3θ, b=θ. Filling in these values gives ...
   
 
        
             
        
        
        
Sorry it's wonky but I hope you get it if you don't I can explain again
 
        
        
        
Answer:
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