Casio fx-9750G PLUS - Manual (Page 73)

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 63w 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-
35w –0.6128007881
2
•
sin 45 ° × cos 65°
= 0.5976724775 !Z cccc
1 (Deg)J
2*s45*c65w* 1 0.5976724775
cosec 30 ° = 1 = 2 1/s30w 2
sin30 °
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