حلول الأسئلة
السؤال
إذا كان ضلع الانتهاء للزاوية
المرسومة في الوضع القياسي يقطع دائرة الوحدة في النقطة P، فأوجد كلاً من
في كلٍّ ممَّا يأتي:
الحل
شاهد حلول جميع الاسئلة
حل أسئلة تأكد
إذا كان ضلع الانتهاء للزاوية
المرسومة في الوضع القياسي يقطع دائرة الوحدة في النقطة P، فأوجد كلاً من
في كلٍّ ممَّا يأتي:
1) 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2) ![]()
أوجد طول الدورة لكل من الدالتين الآتيتين:
3)
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4)
4
5) أرجوحة: إذا مثَّل ارتفاع أرجوحة دالة دورية في الزمن، بحيث تصل الأرجوحة إلى أقصى ارتفاع لها وهو 2m، ، ثم تعود إياباً لتصل 2 m مرة أخرى مروراً بأقل ارتفاع لها وهو m
، مستغرقة زمناً قدره ثانية واحدة بين أقل ارتفاع وأقصى ارتفاع، فأجب عما يأتي:
a) ما الزمن الذي تستغرقه حركة الأرجوحة ذهاباً وإياباً بدءاً بأقصى ارتفاع وانتهاءً إليه؟
2sec
b) مثل بيانياً ارتفاع الأرجوحة h باعتبارها دالة في الزمن.
أوجد القيمة الدقيقة لكل دالة مثلَّثية مما يأتي:
6) ![]()
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