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Problem with solve in handling some trigonometric equations #17162
Recently, while using
I think this should simply return
Should it be giving an approximate solution like wolfram does here?
Most of the numerical root finding method, for example, newton's method, would need a certain initial guess to work, so you would have to see the plot manually and give a good seed to find a solution.
However, I'm still confused about the reliability of nsolve, since it fails for some guesses like