this is for the equation: d^2x/dt^2 + 14dx/dt +98cosx=49
For x = constant, we have (d/dt)^2 x = dx/dt = 0, so
98 cos x = 49. Thus cos x = 1/2, which occurs for
x = 2kπ ± π/3, where k is an integer.
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For x = constant, we have (d/dt)^2 x = dx/dt = 0, so
98 cos x = 49. Thus cos x = 1/2, which occurs for
x = 2kπ ± π/3, where k is an integer.