6.2 Trigonometric Functions: Unit Circle Approach/101

$f(\theta )=\sin(\theta )$

$\theta =60^{\circ }$

$f(2\theta )$

Failed to parse (Conversion error. Server ("https://en.wikipedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle f(2\theta )=f(2\cdot 60^{\circ })=f(120^{\circ }}

sin(120^\circ)= \frac{\sqrt{3}}{2}