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posted by Rachel on Thursday, April 28, 2011 at 2:14pm.
Use fundamental theorem of calculus: Int(pi/2_pi) of e^(sin(q))*cos(q)dq
u-substitute u=sin(q). du = cos(q) dq. from u=sin(pi)=0 to u=sin(2pi)=0 int(e^u du) from 0 to 0 =e^0-e^0 =0
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