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OpenStudy (anonymous):
Express the complex number in trigonometric form. -3i
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OpenStudy (anonymous):
@RadEn?
OpenStudy (anonymous):
@Psymon ?
OpenStudy (psymon):
I have my own studying to attend to right now, unfortunately. Sorry x_X
OpenStudy (anonymous):
its ok :P thanks
jimthompson5910 (jim_thompson5910):
-3i is in the form a+bi where a = 0 b = -3 you would then plug these two values into the formula r = sqrt(a^2 + b^2) to find the value of theta, you would plot the point (0,-3) since a = 0 and b = -3, can you see what the angle theta is? |dw:1378395936629:dw|
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