Find out value of sine given by degree.
If theta=30, it's value must be 0.5.
Test for balanced parentheses
Return the first and last character of a string
MATCH THE STRINGS (2 CHAR) very easy
Sum the numbers on the main diagonal
Find the area of a triangle
Transpose of matrix
Convert number from given base to other base
Element by element multiplication of two vectors
Find the rank of a matrix
Convert given decimal number to binary number.
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