C

ln

lim→

P∪ P∩

P

ln

ln

lim→

∘

log log log

ln

sincos

tan

F F

F

A F

B

ABF F ABF F

P

ln

P

cos

≠

≤≤

P

∩

P∩

P∩PP

××

A B

P Q

OAB AB OPOQ

O

≥

≤

ln

ㄱ

ㄴ

ㄷ

ㄱ ㄱ ㄴ ㄱ ㄷ

ㄴ ㄷ ㄱ ㄴ ㄷ

ln

×

cos

csc×tan

loglog

≤

→

OP P

A

cos

O

≤≤

××

××

AB

AB P A AP

AB Q

PB R PR RB

AB O OR

PQ T O AP

H

PH HO OT TP

RT QB TQ BR

∠PAB

lim→OH

≤≤

P OQ ∠POQ

OP

Q

P OP X

OQ Y

OZ OPOXOY

Z

R

Z

OR⋅OZ

O

sinsin