# How can I start writing this in complex exponential form: 20sin(1000t-30degrees)?

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### DrBadi M

Experienced Academic and dedicated tutor for all levels.

30 degrees = pi/6 Demoivers theorem states R e^(jtheta) = R [cos(theta) + j sin(theta)] Hence 20sin(1000t-pi/6) = Im [ 20 e^(1000t-pi/6) Where Im is the imaginary part of.

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