Casio fx-9750G Manual Calculations - Manual (Page 11)

55
k k k k k Angle Units
• Once you specify an angle unit, it remains in effect until you specify a different
one. The specification is retained even if you switch power off.
• Be sure to specify “Comp” for Calculation/Binary, Octal, Decimal, Hexadecimal
Setting Mode.
Example Operation Display
To convert 4.25 rad to degrees: !Zcccc
1(Deg)J4.25K6(g)
5(ANGL)2(r)w 243.5070629
47.3
° + 82.5rad = 4774.20181°
47.3+82.52(r)w 4774.20181
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
Setting Mode.
Example Operation Display
sin 63
° = 0.8910065242 !Zcccc
1(Deg)J
s63w 0.8910065242
cos (
π
rad) = 0.5 !Zcccc
3
2(Rad)J
c(!7/d)w 0.5
tan (– 35gra) =
– 0.6128007881
!Zcccc
3(Gra)J
t-35w –0.6128007881
2
•
sin 45
° × cos 65°
= 0.5976724775 !Zcccc
1(Deg)J
2*s45*c65w* 1 0.5976724775
cosec 30
° =
1
= 2 1/s30w 2
sin 30
°
sin -1 0.5 = 30
°
( x when sin x = 0.5) !S0.5* 2 w
30
* 1 * can be omitted.
* 2 Input of leading zero is not necessary.
P.53
P.5
Function Calculations
2 - 3
P.5
π
(90
° = ––– radians = 100 grads)
2
P.6