2(cos π/2 - isin π/2)    

 (cos π/2 + isin π/2)     

  4 (cos π/4 + isin π/4)

3(cosπ + isin π) 

 √7(cos π/4 + isin π/4)      

 7(cosπ/4 + isin π/4)

7(cos π/2 + isin π/2)    

  4√2   (cos 3π/4 - isin 3π/4)

 4√2  (cos 3π/4 + isin 3π/4)

2(cos π/4 + isin π/4)   

  (cos π/3 + isin π/3)      

 4√2 (cos 3π/4 + isin 3π/4)

5(cos π/7 + isin π/7)      

 5(cos -π/2 + isin -π/2) 

(cosπ/4 + isin π/4)

2(cosπ/4 + isin π/4)    

  4√2(cos3π/4 + isin 3π/4)   

  (cosπ/4 + isin π/4)

2(cos π/2 - isin π/2)    

  4 (cos π/2 + isin π/2)   

 3√2  (cos-3π/4 + isin -3π/4)

√2(cosπ/4 + isin π/4)   

  2√3(cosπ/3 + isin π/3)    

  3(cosπ/4 + isin π/4)

2(cos π/2 - isin π/2)     

   3(cos 0 - isin 0)     

2 (cos π/4 + sin π/4)

2(cos π/2 - isin π/2) 

  4√2 (cos π/4 + isin π/4)      

  (cos π/4 + isin π/4)