Example Notebook, Integration

Fourier Intergral

(2/d)(∫_0^d)T*Sin[((n*π)/d)x]\[DifferentialD]x

Simplify[(2/d)(∫_0^d)T*Sin[((n*π)/d)x]\[DifferentialD]x]

Simplify[(2/d)(∫_0^d)T*Sin[((n*π)/d)x]\[DifferentialD]x,n∈Integers&&T∈Reals&&d∈Reals]