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    Question

    If asinx +b cosx = c then find the value of acosx -

    bsinx =?
    A тИЪ(a┬▓+ b┬▓-c) Correct Answer Incorrect Answer
    B тИЪ(a┬▓- b┬▓-c┬▓) Correct Answer Incorrect Answer
    C тИЪ(a┬▓+ b┬▓+c┬▓) Correct Answer Incorrect Answer
    D тИЪ(a┬▓+ b┬▓-c┬▓) Correct Answer Incorrect Answer

    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 =┬а

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