
Mark M. answered 07/10/21
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(5)(7)(cos (170° + 140°) + i sin (170° + 140°)) By Demoivre
Zaira L.
asked 07/10/21z1 = 5(cos 170°+i sin170°) and z2=7(cos 140°+i sin140°)
Mark M. answered 07/10/21
Mathematics Teacher - NCLB Highly Qualified
(5)(7)(cos (170° + 140°) + i sin (170° + 140°)) By Demoivre
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