User Manual

20070201
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 Mode in the Setup screen.
Example Operation
sin 63° = 0.8910065242
!m(SET UP)cccccc
1(Deg)J
s63w
cos (
π
3
rad) = 0.5
!m(SET UP)cccccc
2(Rad)J
<Line>
c(!E( π )/3)w
<Math>
c$!E( π )c3w
tan (– 35gra) = – 0.6128007881
!m(SET UP)cccccc
3(Gra)J
t-35w
2
•
sin 45° × cos 65° = 0.5976724775
!m(SET UP)cccccc
1(Deg)J
2*s45*c65w*
1
cosec 30° =
sin30°
1
= 2
!m(SET UP)cccccc
1(Deg)J
<Line>
1/s30w
<Math>
$1cs30w
sin
–1
0.5 = 30°
( x when sin x = 0.5)
!m(SET UP)cccccc
1(Deg)J
!s(sin
–1
)0.5*
2
w
π
(90° = ––– radians = 100 grads)
2
π
(90° = ––– radians = 100 grads)
2
2-4-4
Function Calculations
*
1
* can be omitted.
*
2
Input of leading zero is not necessary.