Where ‘c’ stands for cosine Equation (1) is called Fourier cosine transform of f(x) Equation (2) is called inverse Fourier cosine transform of Where ‘c’ stands for cosine Equation (1) is called Fourier cosine transform of f(x) Equation (2) is called inverse Fourier cosine transform of Fourier Cosine Transform Fourier Cosine IntegralFourier Cosine Transform Set where Then we have and (1) (2)