


Hàm số r10(x) = sin(nx)cos(mx) + cos(nx)sin(mx)? (n, m nguyên)
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xét tính chẵn lẻ của hàm số lượng giác
- Hàm số e1(x) = tan(x) + cos(x) là hàm chẵn, hàm lẻ hay không chẵn không lẻ?
- Hàm số r6(x) = sin(x + π/3) + sin(x - π/3)?
- Hàm số g3(x) = tan^2(x/2) là hàm chẵn hay hàm lẻ?
- Hàm số l4(x) = (cos(x) + cot(x)) * sin(x) là hàm chẵn hay hàm lẻ?
- Hàm số a4(x) = cot(x) + cot(-x) là hàm chẵn hay hàm lẻ?
- Xét tính chẵn lẻ của hàm số w11(x) = sin(x + a) - sin(x - a)? (a là hằng số)
- x
- Hàm số b12(x) = cot(x + a) - cot(x - a)? (a là hằng số)
- Hàm số h10(x) = cos(x)√(1 + sin^2(x))?
- Xét tính chẵn lẻ của hàm số v2(x) = √(1 + cos^2(x))?
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