Discover Questions

Why steam heating system operate under vacuum? Define fixed points for quadratic map f(x)=(5/2)x-(3/2)x^2. Are these points attracting or repelling? Can time move faster or slower in some areas of the universe but we don't know of it? Simplify the expression as much as possible.
1/sin(t)cos(t)−1/tan(t)=? Use trigonometric identities to solve tan(2θ)+tan(θ)=0 exactly for 0≤θ≤π?