Tag: derivative

By Posted on Posted in calculus Tagged with , , ,

Tutoring calculus, everyday formulas students count on can often be verified. The tutor mentions the derivative of tanx. It’s true that (tanx)’ = (secx)^2. But why? Realizing tanx = sinx/cosx, then using the the quotient rule (u/v)’ = (vu’ – …

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By Posted on Posted in Calculator Usage, calculus, math Tagged with ,

The tutor shares how to find the derivative with the Sharp EL-520W. To my knowledge, the Sharp EL-520W won’t give the symbolic derivative. Rather (as you’d likely expect anyway), it evaluates a function’s derivative at the x value the user …

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