def atan2(column1,column2):
i = 0
column1= mt.convert_num_col(column1)
column2= mt.convert_num_col(column2)
result = list()
while i < len(column1):
result.insert(i+1,math.atan2(column1[i],column2[i]))
i+=1
return result
def sin(column):
i = 0
column= mt.convert_num_col(column)
result = list()
while i < len(column):
result.insert(i+1,math.sin(column[i]))
i+=1
return result
def cot(column):
i = 0
column= mt.convert_num_col(column)
result = list()
while i < len(column):
result.insert(i+1,(math.cos(column[i])/math.sen(column[i])))
i+=1
return result
