6.2 Trigonometric Functions: Unit Circle Approach/14

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 \left(\frac{1}{2}, -\frac{\sqrt(3)}{2}\right)}