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 the vector [1 2 3 4 5 6 7 8 9 10]
Remove all the consonants
Return the first and last character of a string
Sum the 'edge' values of a matrix
find radius of cone
Is it an Armstrong number?
Given a 4x4 matrix, swap the two middle columns
Given area find sides
give-nth-decimal-place-of-pi up to 100 digits
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