Grade 12Integral Calculus
find integration of x3+xcosx+tan3x from limit -pi/2 to pi/2
find integration of x3+xcosx+tan3x from limit -pi/2 to pi/2
1 Answer
Hanna
Integral 3x from π/2 to -π/2 is 0 since 3*(-x) =-3x therefore odd and hence forth 0Similarly (-x)cos(-x)=-xcosx is odd and hence 0tan(-3x)=-tan3x therefore odd hence integral from π/2 to -π/2 is 0Hence I=0
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