If f(x)=x2f(x) = x^2f(x)=x2 and g(x)=sin(x)g(x) = \sin(x)g(x)=sin(x), what is (g∘f)(x)(g \circ f)(x)(g∘f)(x)?
sin(x2)\sin(x^2)sin(x2)
sin2(x)\sin^2(x)sin2(x)
x2sin(x)x^2 \sin(x)x2sin(x)
sin(x)\sin(x)sin(x)