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Grade: 12th pass
        asinx+bcosx=p and acosx+bsinx=q,then (ap-bq)=?,I have attempted this question with various method but failed,please give detailed explanation?
2 years ago

Answers : (1)

Abhiram
18 Points
							
ap = a2sinx+ab cosx (multiplied both sides of p with a)
bq = ab cosx+b2sinx (multiplied both sides of q with b)
ap-bq= a2sinx+ab cosx-(ab cosx+b2sinx)
=> ap-bq= a2sinx-b2sinx= sinx(a2-b2)
 
 
 
 
2 years ago
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