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n is an integer

hi. oh, ok

what about u?

just a variable

not a function of x?

ok, u is not a function of x, then i think you are gonna want to check the exponent of sec u

still there?

yeah

i got it

do you see what the exponent is now for sec u?

it's n-3 no?

do you see what i am trying to point out?
feel free to ask any questions

are you still having difficulty?

oh pellet

you are correct

it would still be sec^(n-2)

niiice

(n-2)(secu)^(n-3) times secutanu which equals (n-2)(secu)^(n-2) times tanu

very cool
you got it

now i have to rewrite this wholeeeeeeeeeee thing......... thanks

take care