asinx+bcosx=p and acosx+bsinx=q,then (ap-bq)=?,please give detailed explanation?
Aamir Nashir , 9 Years ago
Grade 12th pass
Trigonometry> asinx+bcosx=p and acosx+bsinx=q,then (ap-...
1 Answers
Devika Shet
(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
Approved Last Activity: 9 Years ago
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