Draw the phase space for each of the following. identify all fixed points. which fixed points are stable and which are unstable?
a) x’ = cos(x)
b) x’ = x2 – x3
c) x’ = ex – cos(x)

It's like discovering the answer to a puzzle. the purpose in solving an equation is to find the value or values of the variable that makes it a true statement. any value of the variable that makes the equation true is called a solution to the equation.