The use of the function cos() and sin() is not allowed.
A random test case was added to prevent hard-coded solutions.
Return the first and last character of a string
Add two numbers
Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Calculate sin(x) without sin(x)
Calculate the hypotenuse of a right triangle without using ^ and sqrt ()
Calculate the answer to life the universe and everything
Determinate if day D is a date that occurs during Daylight Saving Time in Italy
How many hours are there in a day in Italy?
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