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Orthogonality of Different Cosine Frequencies
For positive integers $$m\neq n$$:
$$\int_0^{2\pi}\cos(mx)\cos(nx)\,dx=0$$
Usage
- Used in Fourier-series-type integral calculations.
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Orthogonality of Different Cosine Frequencies
For positive integers $$m\neq n$$:
$$\int_0^{2\pi}\cos(mx)\cos(nx)\,dx=0$$
Usage
- Used in Fourier-series-type integral calculations.
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