Hint: What is the definition of the derivative of tan(x) at x=π/4? ... <看更多>

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Current Status: L'Hopital's rule runs into the issue of non-simplified expressions after taking the derivatives of the numerator and denominator. This results ... ... <看更多>

Calculating many limit problems cannot be done numerically, ofter involves symbolic rules, such as L'Hopital's rule, and thererfore you need a ... ... <看更多>