16. ب.9- التعبير عن ارتفاع القمر الاصطناعي كدالة لنصف قطر الكوكب

نستخدم تعريف الجيب للزاوية BCO .


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نعبر عن ارتفاع القمر الاصطناعي كدالة لنصف القطر:

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لذلك ، فإن ارتفاع القمر الاصطناعي فوق الكوكب يساوي نصف قطر الكوكب.