12th Class Mathematics Continuity and Differentiability

  • question_answer 78) Diff.  

    Answer:

    Let y = xsinx + (sin x)cos x                   ?. (1)       where A = xsinx                                                  Diff. w.r.t. x                               and B = (sin x)cos x             Diff. w.r.t.x             [cos x cotx ?sin x log (sin x)]       = (sinx)cos x [cos x cot x ? sin x log sin x]       (i)          


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