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Mathematics !!!
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  1. 03-13-2008, 12:09 PM #16
    dethuong_x0x
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    Quote Originally Posted by Paddy View Post
    Máy bay bay 250 mile hướng 377 độ (360/0 là hướng bắc, 180 là nam) rồi quẹo qua bay 130 mile hướng 67 độ. Khoảng cách giữa điểm đầu và cuối cách xa bao nhiêu mile ?

    Hint: giữa 377 và 67 độ là bao nhiêu ?
    360/0 cũng có nghĩa hả bác ? Tớ tưởng ko có số nào chia được cho 0 hết !

    a^2 = b^2 + c^2 - 2*B*C*cosA

    Công thức này có đúng ko các bac ?

    Nếu đúng thì kết quả là : ~ 193.9556789
    Các bác kiểm tra giúp tớ với !!!

    Thank you very much !!!
    Last edited by dethuong_x0x; 03-13-2008 at 12:12 PM.
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