loricurnell69 loricurnell69
  • 03-06-2017
  • Mathematics
contestada

Write the complex number in polar form. Express the argument in degrees. 4i

Respuesta :

mreijepatmat
mreijepatmat mreijepatmat
  • 03-06-2017
Write 4i in the following form r(cos Ф + I sin Ф)

Since it's 4i, that means 4 is on the y-axis, So r =4 and Ф =90°


Hence the equation is 4(cos 90° + i sin 90°)

Proof: cos 90° = 0 and sin 90° =1
4[0 + i(1)] = 4i
Answer Link

Otras preguntas

The perimeter of a piece of land is 9,700 square meters. What is the value of the exponent when this number is written in scientfic notation.
Which of the following is correct ? Quoting is the using the author’s actual words
What are the benefits of hormone replacement therapy (HRT) in NYC?
A college student designed and constructed an electric generator in his physics class to investigate cause and effect connections about magnetism and electricit
3\sqrt{3} + \sqrt{3}
When rolling a 6-sided die twice, determine P(sum of 6). twelve thirty sixths seven thirty sixths five thirty sixths two sixths
Make a 5% offer on a Volkswagen that has a sticker price of $22,860 and a dealer cost of $20,254
the diameter of a circle is 77cm what is the circumference of the circle
is quadrilateral MNPQ congruent to quadrilateral RSTU lesson 9-2
What was the scope of Neo-Aristotelian scholarship?