تمرين رائع ،الى كل متميز في الراضيات ~~ [الأرشيف] - منتديات الجلفة لكل الجزائريين و العرب

XBEY

2014-12-25, 17:08

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............(1)
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بعد التعويض في المساواة (1) باش تكون المساواة محققة لازم

http://latex.codecogs.com/gif.latex?%5Cdpi%7B150%7D%20cos%20%28T%29%3D1%20%5 C%2C%20et%20%5C%2C%20%5Csin%20%28T%29%3D0

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ودراسة التغير عليك ....فقط ادي
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وبعدها اجبدي مجال تاع x
تقاطع مع Y
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مع x

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مستحيل sin بين -1 و 1 يعني لا يوجد تقاطع مع المحور x

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