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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
π
cos (–– rad) = 0.5 !m(SET UP)cccccc
3
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° =
1
= 2
!m(SET UP)cccccc
sin30° 1(Deg)J
<Line>
1/s30w
<Math>
$1cs30w
sin
-1
0.5 = 30° !m(SET UP)cccccc
(x when sinx = 0.5) 1(Deg)J
!s(sin
–1
)0.5*
2
w
2-4-4
Function Calculations
*
1
* can be omitted. *
2
Input of leading zero is not necessary.
π
(90° = ––– radians = 100 grads)
2