1.
express the complex number in trigonometric form.
-4 (1 point)
4(cos 270°...
Mathematics, 14.10.2019 11:30 jadens25
1.
express the complex number in trigonometric form.
-4 (1 point)
4(cos 270° + i sin 270°)
4(cos 90° + i sin 90°)
4(cos 0° + i sin 0°)
4(cos 180° + i sin 180°)
3.
express the complex number in trigonometric form.
2 - 2i (2 points)
two square root two times the quantity cosine of five pi divided by four plus i times sine of five pi divided by four
two times the quantity cosine of seven pi divided by four plus i times sine of seven pi divided by four
two square root two times the quantity cosine of seven pi divided by four plus i times sine of seven pi divided by four
two times the quantity cosine of five pi divided by four plus i times sine of five pi divided by four
Answers: 2
Mathematics, 21.06.2019 14:00
Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey
Answers: 3
Mathematics, 21.06.2019 18:00
The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?
Answers: 1
Mathematics, 21.06.2019 19:30
We just started the introduction into circles and i have no idea how to do this.
Answers: 3
Physics, 20.07.2019 13:00
Mathematics, 20.07.2019 13:00
Mathematics, 20.07.2019 13:00
Mathematics, 20.07.2019 13:00
Mathematics, 20.07.2019 13:00
Mathematics, 20.07.2019 13:00
Geography, 20.07.2019 13:00