User Portlet

me@amadeus:~$ python3 -q
>>> import math
>>> 
>>> φ = 0
>>> for i in range(3):
...     φ += math.cos(3/2 + φ)
... 
>>> print(f"{2 * φ:.15}")
0.141592653589793
>>> 
>>> φ = 0
>>> for i in range(3):
...     φ += math.sin(3 + φ)
... 
>>> print(f"{φ:.15}")
0.141592653589793
>>> 
me@amadeus:~$