Question
If asinx +b cosx = c then find the value of acosx -
bsinx =?Solution
(a sinx+ bcosx)2 +(a cosx - bsinx)2 = a2+ b2 OR (c)2 +(a cosx - bsinx)2 = a2+ b2 OR (a cosx - bsinx)2 = a2+ b2 - c2 OR a cosx - bsinx =
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