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Mathematics 7 Online
OpenStudy (anonymous):

Express the complex number in trigonometric form. -2

OpenStudy (anonymous):

@amistre64 would it be 2(cos 90° + i sin 90°)

OpenStudy (amistre64):

not quite ...|dw:1370625714824:dw|

OpenStudy (amistre64):

if you can overlay a circle on an xy axis .... you get a cross hairs that can be used to determine some workable stuff

OpenStudy (anonymous):

oh okay thanks again but i have one more question complex number in the form a + bi. 8(cos 30° + i sin 30°)

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