The rate of change of the function fx 9 sec x 9 cos x is

Last updated: 10/23/2023

The rate of change of the function fx 9 sec x 9 cos x is given by the expression 9 sec x tan x 9 sin x Show that this expression can also be written as 9 sin x tan x Use the Reciprocal and Pythagore identities and then simplify 9 sec x tan x 9 sin x 9 sin x cos x 9 sin x