Citizen SR-270X College - Page 30

EX – 9
File name :
SR100DCollege_E_Example_110302_HDBR100DE04.doc
version : 10/11/23
Example 30
¾
【
Line
】
: sinh
–1
7 = 2.644120761
D S
sinh
–1
(7
[ HYP ] [ 4 ] (sinh
–1
) 7 [ = ]
2 .
6
44120761
Example 31
¾
【
Line
】
: If x = 5, y = 30, what are r,
? Ans : r = 30.41381265,
= 80.53767779
o
D S
Po l ( 5 , 30
r = 3 0 . 41381265
[ 2nd ] [ SET UP ] [ 2 ] (LineIO)
[ 2nd ] [ R
P ] 5 [ 2nd ] [ ] 30 [ = ]
θ =8 0
.
53767779
Example 32
¾
【
Line
】
: If r = 25, = 56
o
what are x , y ? Ans : x = 13.97982259,
y = 20.72593931
D S
Rec ( 25 , 56
X= 1 3 . 97982259
[ AC ] [ 2nd ] [ P R ] 25 [ 2nd ]
[
] 56 [ = ]
Y= 2 0 . 72593931
Example 33
¾
【
Math
】
:
840
! ] ) 47 ( [
! 7
=
−
Math D S
7P4
[ 2nd ] [ SET UP ] [ 1 ] (MthIO)
7 [ 2nd ] [ nPr ] 4 [ = ]
840
Example 34
¾
【
Math
】
:
53
! ] ) 47 ( [ ! 4
! 7
=
−
Math D S
7C4
7 [ 2nd ] [ nCr ] 4 [ = ]
35