Goniometrický tvar komplexního čísla

Goniometrický tvar komplexního čísla

12th Grade

10 Qs

quiz-placeholder

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Goniometrický tvar komplexního čísla

Goniometrický tvar komplexního čísla

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Magdalena Gažarová

Used 4+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

2+i2-\sqrt{2}+i\sqrt{2}

2+i2\sqrt{2}+i\sqrt{2}

2+2i2+2i

22i2-2i

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

vyjádřete číslo

 3+i\sqrt{3}+i  v goniometrickém tvaru

 2(cosπ3+i sinπ3)2\left(\cos\frac{\pi}{3}+i\ \sin\frac{\pi}{3}\right)  

 3(cosπ4+i sinπ4)\sqrt{3}\left(\cos\frac{\pi}{4}+i\ \sin\frac{\pi}{4}\right)  

 1(cosπ2+i sinπ2)1\left(\cos\frac{\pi}{2}+i\ \sin\frac{\pi}{2}\right)  

 2(cosπ6+i sinπ6)2\left(\cos\frac{\pi}{6}+i\ \sin\frac{\pi}{6}\right)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vyberte správný tvar komplexního čísla v goniometrickém tvaru:

2(cosπ6i sinπ6)2\left(\cos\frac{\pi}{6}-i\ \sin\frac{\pi}{6}\right)

2(cosπ6+i sinπ3)2\left(\cos\frac{\pi}{6}+i\ \sin\frac{\pi}{3}\right)

2(cosπ6+i sinπ6)2\left(\cos\frac{\pi}{6}+i\ \sin\frac{\pi}{6}\right)

2(sinπ6+i cosπ6)2\left(\sin\frac{\pi}{6}+i\ \cos\frac{\pi}{6}\right)

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Vypočítejte velikost komplexního čísla:

 68i-6-8i  

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Vypočítejte velikost úhlu 

 α\alpha  komplexního čísla  2+2i2+2i  , který potřebujete pro převod čísla do goniometrického tvaru. Výsledek napište ve stupních.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

argument = velikost úhlu

53π\frac{5}{3}\pi

32π\frac{3}{2}\pi

2π2\pi

π3\frac{\pi}{3}

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

argument = velikost úhlu

54π\frac{5}{4}\pi

32π\frac{3}{2}\pi

2π2\pi

π2\frac{\pi}{2}

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