Trigonometry
613+1513i\frac{6}{13}+\frac{15}{13}i136+1315i
−613+1513i-\frac{6}{13}+\frac{15}{13}i−136+1315i
1013+1513i\frac{10}{13}+\frac{15}{13}i1310+1315i
−1013+1513i-\frac{10}{13}+\frac{15}{13}i−1310+1315i