Question: Use a CAS to plot graphs to convince yourself that the equation tan = - in Problem 34 has an infinite number of roots.

Use a CAS to plot graphs to convince yourself that the equation tan α = -α in Problem 34 has an infinite number of roots. Explain why the negative roots of the equation can be ignored. Explain why λ = 0 is not an eigenvalue even though α = 0 is an obvious solution of the equation tan α = -α.

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