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
Sum all integers from 1 to 2^n
Number of toolboxes?
Finding perimeter of a rectangle
given 4x4 matrix swap the two middle columns
Given a 4x4 matrix, swap the two middle columns
Is it an Armstrong number?
match 2 string
find radius of cone
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