- #1
City88
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Homework Statement
Let x be the solution to dx/dt=(pi-x)cos(5x)
x(0)=4pi/3
Find the lim x(t) as t goes to infinity.
Homework Equations
The Attempt at a Solution
cos(5x)=0 when 5x=n(pi), so when x=n(pi)/5 which = 4(pi)/3 since we have that initial condition.
so, n=20/3, x=4(pi)/3 ??...I don't know what to do!
any hints?