converting input in rlc circuits

VerdictGuilty

I was wondering how to convert E=70.7sinwt..<-- (just an example)
to something like 50∠0 degrees?

NascentOxygen

Hi VerdictGuilty,

E=70.7sin(Ѡt + 10°)
=70.7∠10°

Too easy! ☺

jrive

You're converting it to phasor representation. You want to employ Euler's identity to convert the sinusoid to a complex number from which you can obtain the modulus(magnitude) and phase.

jrive

@NascentOxygen,

Since the phase angle is based on the cosine function, are you missing a -90deg factor in your answer? should it be 70.7∠-80?

NascentOxygen

Quote by jrive

@NascentOxygen,

Since the phase angle is based on the cosine function, are you missing a -90deg factor in your answer? should it be 70.7∠-80?

I referenced it to a sine wave.

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VerdictGuilty	converting input in rlc circuits Tweet I was wondering how to convert E=70.7sinwt..<-- (just an example) to something like 50∠0 degrees?

NascentOxygen Recognitions: Homework Help	Hi VerdictGuilty, E=70.7sin(Ѡt + 10°) =70.7∠10° Too easy! ☺

jrive	You're converting it to phasor representation. You want to employ Euler's identity to convert the sinusoid to a complex number from which you can obtain the modulus(magnitude) and phase.

jrive	converting input in rlc circuits @NascentOxygen, Since the phase angle is based on the cosine function, are you missing a -90deg factor in your answer? should it be 70.7∠-80?