Question

y=sec(tan inverse x) then dy/dx=

Answer 1

Answer:

dy/dx= sec(tan inverse x). tan( tan inverse x). d/dx(tan inverse x)

dy/dx= sec(tan inverse x). tan( tan inverse x).

1/1+x^2

........ using property (tan(tan inverse x.) = 1)

dy/dx = sec(tan inverse x).1/1+x^2