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Compute $?x_{2}sin(x_{3})cos(x_{3})dx$ a) Consider the substitution $u=sin(x_{3})$ ? b) Consider the substitution $u=cos(x_{3})$ ? c) Your thought on the answers in (a) and (b)? Are they both correct answer? Why?

given integral is ?x2sin?(x3)cos?(x3)dxa) Consider the sub