import math problem 🤔

Question

We know tan 45° = 1
But in python,
1. why tan 45° = 0.999....?
2. How can I fix it?

Sample input:
tan 45°

Expected output:
1

Sample input:
tan 225°

Expected Output:
1

Answer 1

#I found a solution:
from math import *
x = tan(radians(45))

if str(0.999999) in str(x):
x = round(x)
print (x)

Answer 2

https://www.geeksforgeeks.org/floating-point-error-in-JUMP_LINK__&&__python__&&__JUMP_LINK/
https://www.geeksforgeeks.org/precision-handling-python/