Use the inner product ⟨f, g⟩=∫10f(x)g(x)dx
in the vector space C0[0,1] of continuous functions on the domain [0,1] to find ⟨f, g⟩, ∥f∥, ∥g∥, and the angle αf, g between f(x) and g(x) for
f(x)=−5x2−3 and g(x)=−6x−4.