Casio CFX-9970G Manual Calculations - Manual (Page 11)

45
Function Calculations
2 - 3
k k k k k Trigonometric and Inverse Trigonometric Functions
• Be sure to set the angle unit before performing trigonometric function and
inverse trigonometric function calculations.
• Be sure to specify “Comp” for Calculation/binary, octal, decimal, hexadecimal
mode.
Example Operation Display
sin 63
°
= 0.8910065242 !Z
cccc
1 (Deg) J
s 63 w 0.8910065242
cos (
π
rad) = 0.5 !Z
cccc
3
2 (Rad) J
c(!7/d)w 0.5
tan (– 35gra) =
– 0.6128007881
!Z
cccc
3 (Gra) J
t- 35 w –0.6128007881
2 • sin 45
° ×
cos 65
°
= 0.5976724775 !Z
cccc
1 (Deg) J
2 *s 45 *c 65 w * 1 0.5976724775
cosec 30
°
=
1
= 2 1 /s 30 w 2
sin 30
°
sin -1 0.5 = 30
°
( x when sin x = 0.5) !S 0.5* 2 w
30
* 1 * can be omitted.
* 2 Input of leading zero is not necessary.
P.5
π
(90
°
= ––– radians = 100 grads)
2
P.5