Angle Units; Trigonometric And Inverse Trigonometric Functions - Casio fx9750G User Manual

k k k k k Angle Units
P.53 • 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.
P.5 • Be sure to specify "Comp" for Calculation/Binary, Octal, Decimal, Hexadecimal
Setting Mode.
To convert 4.25 rad to degrees:
47.3° + 82.5rad = 4774.20181°
k k k k k Trigonometric and Inverse Trigonometric Functions
P.6
• Be sure to set the angle unit before performing trigonometric function and inverse
trigonometric function calculations.
P.5 • Be sure to specify "Comp" for Calculation/Binary, Octal, Decimal, Hexadecimal
Setting Mode.
sin 63° = 0.8910065242
π
cos ( rad) = 0.5
3
tan (– 35gra) =
– 0.6128007881
2 sin 45° × cos 65°
•
= 0.5976724775
cosec 30° =
sin -1 0.5 = 30°
( x when sin
* can be omitted.
* 1
* 2 Input of leading zero is not necessary.
Example
1(Deg)J4.25K6(g)
π
(90° = ––– radians = 100 grads)
2
Example
c(!7/d)w
1
= 2
sin30°
x = 0.5)
Function Calculations
Operation
!Zcccc
5(ANGL)2(r)w
47.3+82.52(r)w
Operation
!Zcccc
1(Deg)J
s63w
!Zcccc
2(Rad)J
!Zcccc
3(Gra)J
t-35w
!Zcccc
1(Deg)J
2*s45*c65w*
1/s30w
!S0.5*
2
2 - 3
Display
243.5070629
4774.20181
Display
0.8910065242
–0.6128007881
1
0.5976724775
w
0.5
2
30
55