Please dont use cos(x) directly
True, but still not following the instruction. (Although not as shameless as some other submissions.)
Euler's formula is the most beautiful equation
Find the sum of the elements in the "second" diagonal
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Determine if input is divisible by three.
BASICS - sum part of vector
Encode Me From The Past
Some tweaks in summation, Can you decode? :)
Create tangent function out of cosine only
Create tangent function out of sin and cos
Count me in
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