Question

Write with explanation derivative of sec x

Answer 1

Answer:

see its very simple

let f(x) be secx

let f(x+h) be sec(x+h)

so dy/dx=f(x+h)-f(x)/h as lim h->0

so dy/dx=sec(x+h)-secx/h as lim h->0

so after solvin this we get the derivative of secx as tanx secx

Step-by-step explanation: