مشروع اختبار تحصيلي رياضيات٦ فصل الإحداثيات القطبية ٣/٣ع

Quiz
•
Mathematics
•
12th Grade
•
Medium
Hi gaus
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
عدد مركب مقياسه 3 وسعته 30 الصورة القطبيه لهذا العدد
Cos 90+i sin 90
Sin 30 + i cos 30
3(sin 30 + i cos 30)
3(cos 30 + i sin 30)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
المعادلة القطبية r=4 تمثيلها البياني عبارة عن دائرة طول قطرها ..
2
3
4
8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
تمثيل النقطة (°50 ,2 ) في المستوى القطبي هو نفسه تمثيل النقطة ..
(2,50°)
(130°,2)
(50°-,2-)
(230°,2-)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
قيمة المقدار 4[2cos22.5+sin22.5]
16i
-16
-16i
16
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
التمثيل البياني للمعادلة القطبية °θ=30 عبارة عن
دائرة قطرها 15
دائرة قطرها 30
مستقيم ميله
√3 / 3
مستقيم ميله
√3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
نلاحظ من الشكل ان r نصف قطر الدائره = 3 إذا الشكل المجاور يمثل المعادله ..
r=2
r=3
r=4
r=6
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