View Compilation Error

0_0_32095478_30263.cpp: In function 'int main()':
0_0_32095478_30263.cpp:145:3: error: 'cot' was not declared in this scope
   cot << fxied << setprecision(6) << sqrt(mn);
   ^
0_0_32095478_30263.cpp:145:10: error: 'fxied' was not declared in this scope
   cot << fxied << setprecision(6) << sqrt(mn);
          ^