he ns A) {ar — 2? ER

45. JL Le EVE jy ee er + 3

| fhraient

ur. [Ve ride = fr+v5 G+1) (22 + 1)dæ 1 re

or { A 2 ee ….

- { .. Fr e c —— > e 27% Lee pe — =

UE log 3.

< , LI Es .

* * 2 2 EEE n + s + :

HS pe ) ” d'y s

AS 2e PINTRGRATION A

Poser LH A —"7,

Poser e7 —2

Poser 2x3 — .

Poser z = —

Poser sin 8 — cos 6 —

Poser ez — z

“Poser x — «a sin? z.

Poser e7 — À — z?,

BEPosert El =

Poser‘ —41—"7}

À Poser Tr —— —=7%.

Er

ra 1e à!

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A M SRE Eee SP CENT TR EE æ, Pa LomdEn se. rt MONET ENT ?