Learn How To Find The Derivative Of Tan(X) Using The Quotient Rule

derivative of tanx

sec^2x

The derivative of tan(x) can be found using the quotient rule:

Let y = tan(x)

Then y’ = (sec^2(x))(1) – (tan(x))(sec^2(x))(1)

Simplifying this expression, we get:

y’ = sec^2(x) – tan^2(x)

Since 1 + tan^2(x) = sec^2(x) (by the Pythagorean identity), we can replace tan^2(x) with sec^2(x) – 1:

y’ = sec^2(x) – (sec^2(x) – 1)

y’ = 1

Therefore, the derivative of tan(x) is simply 1.

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