6.2 Trigonometric Functions: Unit Circle Approach/31

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 \sin(45^{\circ})+\cos(60^{\circ}) = \frac{\sqrt{2}}{2} + \frac{1}{2} = \frac{1}{2} \left ( {\sqrt{2}} + 1 \right ) }