6.2 Trigonometric Functions: Unit Circle Approach/109

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle f(x)=\sin(x)}
$g(x)=\cos(x)$
$h(x)=2x$
$p(x)={\frac {x}{2}}$

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle (f\cdot g)(\frac{3\pi}{4})=f(g(\frac{3\pi}{4})=f\left(\frac{30^{\circ}}{2}\right)=h(15^{\circ})=2\cdot15^{\circ}=30^{\circ}}