6.1 Angles and Their Measure/43

Failed to parse (syntax error): {\displaystyle -135^{\circ}\cdot\frac{\pi}{180^{\circ}}=\frac{\{2}\cdot \{2}\cdot 2\cdot \cancel{3}\cdot \cancel{5}}{1}\cdot\frac{\pi}{\cancel{2}\cdot \cancel{2} \cdot \cancel{5} \cdot \cancel{3} \cdot 3} = -\frac{3\pi}{4} }