6.2 Trigonometric Functions: Unit Circle Approach/98

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 \text{If } f(\theta)=\sin(\theta) \text{, } g(\theta)=\cos{\theta} \text{ and } \theta = 60^{\circ} \text{ then } g\left(\frac{\theta}{2}\right)}