4 years ago

The complex number -5i has the complex trigonometric form of 5(cos 270° + isin270º)

Mathematics

1 answer:

luda_lava [24]4 years ago

6 0

Answer:

True

Step-by-step explanation:

Evaluating the proposed trigonometric form, we get ...

5(cos(270°) +i·sin(270°))

= 5·cos(270°) +5i·sin(270°)

= 5·0 +5i·(-2)

= 5i

The statement is true.

You might be interested in

Find the missing number: QUICKLY PLEASE

sp2606 [1]

Answer:

Step-by-step explanation:

4 0

3 years ago

Shawn makes bracelets using stone beads. He buys the beads for $0.30 each. The wire used to make each bracelet costs $0.10. a. W

bearhunter [10]

Answer:

Step-by-step explanation:

3 0

4 years ago

Read 2 more answers

Slep. 1. Which is greater than 4? (a) 5, (b)-5, (c) -1/2, (d) -25.

Stella [2.4K]

Answer:

Step-by-step explanation:

5 is greater than 4 while the rest aren't

5 0

3 years ago

Read 2 more answers

Three people are traveling and need to exchange the currency of their native country

garri49 [273]

Answer:

Step-by-step explanation:

1. Exchange rate = 1 U.S. dollar per 0.9009 foreign currency

i. U.S. Currency (in dollars) = 73.00

Foreign currency = 81.03

ii. U.S. Currency (in dollars) = 20.00

Foreign currency = 22.20

2. Exchange rate = 1 U.S. dollar per 1.3699 foreign currency

i. U.S. Currency (in dollars) = 30.00

Foreign currency = 21.90

ii. U.S. Currency (in dollars) = 50.00

Foreign currency = 36.50

3. Exchange rate = 1 U.S. dollar per 1.5873 foreign currency

i. U.S. Currency (in dollars) = 25.00

Foreign currency = 15.75

4. Exchange rate = 1 U.S. dollar per 1.11 Australian dollar

i. U.S. Currency (in dollars) = 72.00

Equivalent Australian dollar = 72.00 x 1.11 = 79.92

5 0

4 years ago

Find 0.8% of 1,046 ddddddddddddddddddddddddddddddddddddddd

evablogger [386]

0.8/100 * 1046

=8.368

6 0

3 years ago

Read 2 more answers