Discover How To Derive The Derivative Of Sec(X) With The Chain Rule And Secant Function | Math Tips

d/dx sec(x)

sec(x)tan(x)

Using the chain rule and the derivative of the secant function, we can find the derivative of sec(x) with respect to x:

Let y = sec(x)

Then,

dy/dx = d/dx(sec(x)) = d/dx(1/cos(x))

= (-1/cos^2(x)) * d/dx(cos(x))

= (-1/cos^2(x)) * (-sin(x))

= sin(x)/cos^2(x)

= sin(x) * sec^2(x)

Therefore, the derivative of sec(x) with respect to x is sin(x) * sec^2(x).

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