Komplex számok trigonometrikus alakja
Authored by Nárcisz Kulcsár
Mathematics
University
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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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