2-4-4

Function Calculations

kTrigonometric and Inverse Trigonometric Functions

•Be sure to set the angle unit before performing trigonometric function and inverse trigonometric function calculations.

(90 = ––– radians = 100 grads)

° π

2

• 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

!m(SET UP)cccccc

cos (–– rad) = 0.5

32(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

1

 

!m(SET UP)cccccc

cosec 30° =

 

= 2

1(Deg)J

sin30°

 

 

 

<Line>

 

 

 

1/s30w

 

 

 

<Math>

 

 

 

$1cs30w

sin-10.5 = 30°

!m(SET UP)cccccc

(x when sinx = 0.5)

1(Deg)J

 

 

 

!s(sin–1)0.5*2w

 

 

*1 *can be omitted.

*2 Input of leading zero is not necessary.

 

 

 

 

 

 

20050401