sin (3x +7y) please bantuin
            Matematika
            
               
               
            
            
               
               
             
            bluesea
         
         
         
                Pertanyaan
            
            sin (3x +7y) please bantuin 
               
            
               1 Jawaban
            
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1. Jawaban Cadilac
sin(3x+7y)=sin3x.cos7y+cos3x.sin7y