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Mathematics, 05.07.2021 15:50 moneykingmarco079

A. Trong mặt phẳng Oxy , phép quay mỗi vector quanh gốc tọa độ một góc  ngược chiều kim đồng hồ là một ánh xạ tuyến tính (Hình 1). Hãy tìm ma trận biểu diễn và biểu thức của phép quay trên. Ap dụng: Cho tam giác MNP gồm các

đỉnh M(1,1) ,

N(1, 2) , P(3, 3)

hãy tìm ảnh của

tam giác MNP qua phép quay nói trên, biết

góc quay là    / 4

và vẽ hình biểu diễn.

b. Trình bày một ứng dụng của môn học này.

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A. Trong mặt phẳng Oxy , phép quay mỗi vector quanh gốc tọa độ một góc  ngược chiều kim đồng hồ là...
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