yeettf642 yeettf642
  • 12-06-2020
  • Mathematics
contestada

Express the complex number z = -4+3i in polar form: r(cos⁡(θ)+i sin(θ)).

Respuesta :

Rau7star
Rau7star Rau7star
  • 13-06-2020

Answer:

5( cos(- 0.64)+[tex]i[/tex] sin(-0.64))

Step-by-step explanation:

Given:

z = -4+3i

[tex]r=\sqrt{(-4)^2+3^2}= 5[/tex]

θ=[tex]tan^-^1(\frac{3}{-4} ) = -0.64[/tex]

Polar form=r(cosθ+[tex]i[/tex] sinθ)=> 5( cos(- 0.64)+[tex]i[/tex] sin(-0.64))

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