Mathematics
Mathematics, 14.06.2021 14:00, lychee1406

A. Trong mặt phẳngOxy , phép quay mỗi vector quanh gốc tọa độ một góc α 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.
Áp dụng: Cho tam giác MNP gồm các
đỉnh (1,1) M , (1,2) N , (3,3) P hãy tìm ảnh của
tam giác MNP qua phép quay nói trên, biết
góc quay là / 4 α = π và vẽ hình biểu diễn.
b. Trình bày một ứng dụng của môn học này

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Do you know the correct answer?
A. Trong mặt phẳngOxy , phép quay mỗi vector quanh gốc tọa độ một góc α ngược
chiều kim đồng...

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