beautypg.com

Ktrigonometric and inverse trigonometric functions – Casio fx-9750G PLUS User Manual

Page 73

background image

45

Function Calculations

2 - 3

k

k

k

k

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 Calculation/binary, octal, decimal, hexadecimal

mode.

Example

Operation

Display

sin 63

° = 0.8910065242

!Z

cccc

1

(Deg)J

s

63w

0.8910065242

cos ( π rad) = 0.5

!Z

cccc

3

2

(Rad)J

c

(!7/d)w

0.5

tan (– 35gra) =
– 0.6128007881

!Z

cccc

3

(Gra)J

t-

35w

–0.6128007881

2

sin 45

° × cos 65°

= 0.5976724775

!Z

cccc

1

(Deg)J

2*s45*c65w*

1

0.5976724775

cosec 30

° = 1 = 2

1/s30w

2

sin30

°

sin

-1

0.5 = 30

°

(

x

when sin

x

= 0.5)

!S

0.5*

2

w

30

*

1

*

can be omitted.

*

2

Input of leading zero is not necessary.

P.5

π

(90

° = ––– radians = 100 grads)

2

P.5

This manual is related to the following products: