In a right angle triangle ABC given the tan(A) then find sin(A)
For example tan(A)=3/4 then sin(A)=3/5
Make a checkerboard matrix
Return a list sorted by number of occurrences
Sum the numbers on the main diagonal
Matlab Basics - Rounding II
match 2 string
given 4x4 matrix swap the two middle columns
check wether armstrong no or not
Is it an Armstrong number?
Given a 4x4 matrix, swap the two middle columns
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