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複數的極式與幾何意義

Aug 23rd 2013, 17:36

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1.試將下列各式化為極式 (1)cos320°-i*sin220° (2)cos507°-i*sin327 ° (3)-sin18°-i*cos18° (4)sin125°+i*cos235° 2.設z=2(cosπ/3+i*sinπ/3),求Arg(i●z)=? 3.z1=-2+i, z2=3-i, Argz1=θ1 ,Argz2=θ2 ,則Arg(z1)+Arg(z2)=?...

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