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
Convert a vector into a number
Generate a vector like 1,2,2,3,3,3,4,4,4,4
convert matrix to single column
Some tweaks in summation, Can you decode? :)
Create sine function out of cosine
Count me in
Determinant of a 3x3 Matrix
Freebies anyone? No!!!!
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