Please, don't use cos, tan, cot matlab functions.
As per Solution 1043996, need to ban a couple of other functions to enforce instruction.
This is wrong. For example, x = 3*pi/4, cot(x) = -1; but this solution gives sqrt(1-sin(x)^2)/sin(x) = 1.
Find the sum of all the numbers of the input vector
Determine if input is odd
given 3 sides, find area of this triangle
Project Euler: Problem 1, Multiples of 3 and 5
Output any real number that is neither positive nor negative
Return the length of the longest word in the string.
Check if a string starts with another string
Find the Sum of the Series:
Solve the following boundary value problem
Solve the system of equations.
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