! " ! # $ ! ! ! % " ! !
$ ! $ ! $ ! &
! ! !
" #
$ %
&
0
3
x
2
x
2−
−
=
" % # $
% & '
( ) * )
2
3
x
,
2
x
=
=
" # $
' & +
' , + , %- )
*
* * *
" . #
$ .
. .
&
+ , ' ,
" #
$ '
+ & .
. ) / 0 ) , )
, / '
) , / +
, , 0
" .
# 1
$ ' & 1
2 3
0
≤
x
≤
12,
)2
1
6
x
cos
≥
4"
0
≤
x
≤
3
atau
6
≤
x
≤
9
#0
≤
x
≤
3
atau
6
≤
x
≤
12
$2
≤
x
≤
4
atau
8
≤
x
≤
10
11
x
9
atau
3
x
1
≤
≤
≤
≤
&
0
≤
x
≤
2
atau
10
≤
x
≤
12
5 6 7 89:6 TP = TQ = TR = TS = 21 cm 89:6
; . 0 # 79:
" %* # '+* $ .%* 2+* & 1%*
1 a 2 ,dan
2 3 untuk 3 1 a
cos = < < b ,
2 untuk 3
2 b
sin = < <
tgb tga b) (a sin + + " 7 9 1 − # 7 9 1 $ 3 4 1 − 3 4 1 & 2 6 1
% "#$ "# 0 #$ 0 "$ 0 "$#
)
8
7
cos
<
"
k
2
2
3
<
<
#
k
2
atau
k
0
2
3
<
<
<
$
k
1
2
1
<
<
0
k
atau
1
k
2
1
<
<
<
&2
3
k
0
<
<
1 0
0 1 I dan 1 0
1 2
A = =
# ) A - I = 0
" %
# $ &
) , , , %
) < '
"
6
7
#
5
13
$
3
11
2
3
&
6
5
= , ) ' . , 5 , '
" #
$ %
&
' 8 > ) , * > % ; ;
) , % ,
" #
$ '
. & 5
+ <
, %
,
" ? % @
# ? % @
$ ? % @
?% @
& ? % @