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jasmelynn16
27.07.2019 •
Mathematics
Express the complex number in trigonometric form. -4
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Ответ:
4(cos180+itan180)
Step-by-step explanation:
Ответ:
Step-by-step explanation:
Both of them finish in an hour 1/2 of the job.
Bert finishes 1/3 of the job in an hour.
So Ernie can do in an hour 1/2-1/3=1/6 of the job.
This way we understand that Ernie needs 6 hours to finish the job.