h 1. (6 FCLLUU)

9dh~n?5gdfi~k~9~1tfifl81~wf(mathematical induction) 9~0d41

3.3 9qwl lim f(z) (1 w :~Ufl) =+I+

4xk+ t2x +a Iim fix, , Iim s

4-te+?2*1 +8 - - 2 32-a i+ ~ + l + qL+5%+6 1*+ 5.1 t6

x-e ( im (x-e)CX, l i ~ - %*a X + m ex

kl 'I = lim - x+& ex

x = ln(sect + tant) - sint

3 = coet

dx - = 1 Xc--+tonr

. ( s e c t * b t + sec't) - cos t

- - 1 -* sect ( b t + s e c t ) = = t - a b s t s c t + * t

- - - sint coat - - - mt - - m t t sin2t sin t

y = (sin XI"'" '