f ( x ) = sin ( x ) {\displaystyle f(x)=\sin(x)} g ( x ) = cos ( x ) {\displaystyle g(x)=\cos(x)} h ( x ) = 2 x {\displaystyle h(x)=2x} p ( x ) = x 2 {\displaystyle p(x)={\frac {x}{2}}}
( h ∘ p ) ( 60 ∘ ) {\displaystyle (h\circ p)(60^{\circ })}
