Differentiation of tanx

Here you will learn what is the differentiation of tanx and its proof by using first principle. Letโ€™s begin โ€“ Differentiation of tanx The differentiation of tanx with respect to x is \(sec^2x\). i.e. \(d\over dx\) (tanx) = \(sec^2x\) Proof Using First Principle : Let f(x) = tan x. Then, f(x + h) = tan(x โ€ฆ

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