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Grade: 12th pass
        asinx+bcosx=p and acosx+bsinx=q,then  (ap-bq)=?,please give detailed explanation?
3 years ago

Answers : (1)

Devika Shet
38 Points
							
(ap-bq)=a(asinx+bcosx)-b(acosx+bcosx)                    [by sustituting the values of p and q]
          =a2sinx+abcosx-(abcosx+b2sinx)
          =a2sinx+abcosx-abcosx-b2sinx
          =a2sinx-b2sinx
          =(a2-b2)sinx
         
3 years ago
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