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solve vs. Roots

alla 615
January 30 2008
1
I have been working on equations containing trig functions, using manual methods, Maple's solve, and Maple's Roots, each as a check on the others. Up to now, I've been able to resolve discrepancies, but Roots balked on the following problem, and I don't know why. _EnvAllSolutions := true; solve( {sin(3*alpha) - 0.34},{alpha}); {alpha = 0.1156 + 0.8159 _B27~+2.094_Z39~} with(Student[Calculus1]):Roots( sin(3*alpha) - 0.34,alpha = 0..12); [ ] Roots doesn't like 0.34 & some other constants but the following with constant 1 does give me an answer: with(Student[Calculus1]):Roots( sin(3*alpha) -1,alpha = 0..12); Alla
student roots calculus1

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