# Tag Info

Because integrals are not something to be "solved" by default, but a tool of mathematical expression in their own right. Can you express $\sqrt{2}$ as something else? Probably nothing simpler. You can approximate it, but that's about it. Likewise, why should you expect to be able to express some arbitrary integral, say $$\int_{0}^{1} e^{\sin x}\ dx$$ as ...