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answered 2013-03-06 13:08:32 +0100
Your integrand is -sinh(x) and so you can do this using integrate.
-sinh(x)
integrate
f(x)=i*sin(i*x) print f(x).simplify() integrate(f(x), x, 0, 0.2)
gives
-sinh(x) -0.0200667556191