Casio fx9860G Manual

A SERVICE OF

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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

s 63 w

cos (

π

3

rad) = 0.5

!m (SET UP)cccccc

2 (Rad)J

<Line>

c ( !E ( π )/ 3 ) w

<Math>

c$!E ( π )c 3 w

tan (– 35gra) = – 0.6128007881

!m (SET UP)cccccc

3 (Gra)J

t- 35 w

2

•

sin 45° × cos 65° = 0.5976724775

!m (SET UP)cccccc

1 (Deg)J

2 * s 45 * c 65 w *

1

cosec 30° =

sin30°

1

= 2

!m (SET UP)cccccc

1 (Deg)J

<Line>

1 / s 30 w

<Math>

$ 1 c s 30 w

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.