Giải tan x = căn 3?
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tan x = căn 3
- Liên hệ giữa góc nghiêng, hệ số ma sát và hàm tan?
- Sử dụng tam giác vuông đặc biệt (30-60-90) để chứng minh tan(π/3) = căn 3?
- Viết tập nghiệm?
- Giải hệ phương trình tan x = căn 3 và cos x < 0?
- Các nghiệm tương ứng?
- Giải hai phương trình riêng biệt?
- Số lượng nghiệm? Giải phương trình tan^2 x + (1 - căn 3) tan x - căn 3 = 0?
- Chú ý đến dấu? Nếu tan x = căn 3, tính giá trị của cos 2x?
- Thay giá trị tan x?
- cot x = 1/căn 3?
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