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Komplex számok trigonometrikus alakja

Authored by Nárcisz Kulcsár

Mathematics

University

Used 3+ times

Komplex számok trigonometrikus alakja
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mennyi a z=8+2i komplex szám abszolút értéke?

16

68

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mennyi az i71 értéke?

1

-1

i

-i

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mennyi a z=-7i komplex szám trigonometrikus alakja?

7(cos 270°+isin270°)

-7(cos 270°+isin270°)

7(cos-90°+isin-90°)

-7(cos180°+isin180°)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ha z1=4(cos90°+isin90°) és z2=2(cos90°+isin90°), akkor z1+z2=

6(cos180°+isin180°)

8(cos180°+isin180°)

6(cos90°+isin90°)

nem végezhető el a művelet

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ha z1=4(cos90°+isin90°) és z2=2(cos90°+isin90°), akkor z1*z2=

8(cos8100°+isin8100°)

6(cos180°+isin180°)

8(cos180°+isin180°)

6(cos90°+isin90°)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ha z=2(cos90°+isin90°), akkor z3=

6(cos270°+isin270°)

8(cos270°+isin270°)

6(cos90°+isin90°)

8(cos90°+isin90°)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mennyi a z=4(cos 500°+isin500°) komplex szám trigonometrikus alakja?

z=4(cos 140°+isin140°)

z=4(cos 360°+isin360°)

z=(cos 500°+isin500°)

Ez a trigonometrikus alakja.

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