#### Sin

p
```"""
Calculate sin function.

It's not a perfect function so I am rounding the result to 10 decimal places by default.

Formula: sin(x) = x - x^3/3! + x^5/5! - x^7/7! + ...
Where: x = angle in randians.

Source:
https://www.homeschoolmath.net/teaching/sine_calculator.php

"""

def sin(
angle_in_degrees: float, accuracy: int = 18, rounded_values_count: int = 10
) -> float:
"""
Implement sin function.

>>> sin(0.0)
0.0
>>> sin(90.0)
1.0
>>> sin(180.0)
0.0
>>> sin(270.0)
-1.0
>>> sin(0.68)
0.0118679603
>>> sin(1.97)
0.0343762121
>>> sin(64.0)
0.8987940463
>>> sin(9999.0)
-0.9876883406
>>> sin(-689.0)
0.5150380749
>>> sin(89.7)
0.9999862922
"""
# Simplify the angle to be between 360 and -360 degrees.
angle_in_degrees = angle_in_degrees - ((angle_in_degrees // 360.0) * 360.0)

# Converting from degrees to radians

a = 3
b = -1

for _ in range(accuracy):
result += (b * (angle_in_radians**a)) / factorial(a)

b = -b  # One positive term and the next will be negative and so on...
a += 2  # Increased by 2 for every term.

return round(result, rounded_values_count)

if __name__ == "__main__":
__import__("doctest").testmod()
```