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.

π

(90° = ––– radians = 100 grads) 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

 

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

1

 

!m(SET UP)cccccc

cosec 30° =

 

= 2

 

sin30°

1(Deg)J

 

 

 

 

 

<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.

 

 

 

 

 

 

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