Casio FX300MS User Guide - Page 20

Trigonometric/Inverse Trigonometric, Functions, Hyperbolic/Inverse Hyperbolic - radians

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k Trigonometric/Inverse Trigonometric Functions • To change the default angle unit (degrees, radians, grads), press the F key a number of times until you reach the angle unit setup screen shown below. Deg Rad G r a 1 23 • Press the number key (1, 2, or 3) that corresponds to the angle unit you want to use. (90° = π radians = 100 grads) 2 • Example 1: sin 63°52o41ǥ ҃ 0.897859012 q ..... 1 (Deg) S 63 I 52 I 41 I = ( ) • Example 2: cos π rad ҃ 0.5 3 q ..... 2 (Rad) W R A x \ 3 T = ( ) • Example 3 : cosҀ1 2 ҃ 0.25 π (rad) ҃ π (rad) 2 4 q ..... 2 (Rad) A V R L 2 \ 2 T = g \ A x = • Example 4: tanҀ1 0.741 ҃ 36.53844577 ° q ..... 1 (Deg) A g 0.741 = k Hyperbolic/Inverse Hyperbolic Functions • Example 1: sinh 3.6 ҃ 18.28545536 M S 3.6 = • Example 2: sinhҀ1 30 ҃ 4.094622224 M A j 30 = E-18

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E-18
k
Trigonometric/Inverse Trigonometric
Functions
• To change the default angle unit (degrees, radians,
grads), press the
F
key a number of times until you
reach the angle unit setup screen shown below.
1
2
3
Deg Rad
G
ra
•
Press the number key (
1
,
2
, or
3
) that corresponds
to the angle unit you want to use.
(90
°
=
radians = 100 grads)
•
Example 1:
sin 63
°
52
41
·
²
0.897859012
q
.....
1
(Deg)
S
63
I
52
I
41
I
=
π
2
•
Example 3:
cos
µ
1
²
q
.....
2
(Rad)
A
V
R
L
2
\
2
T
=
g
\
A
x
=
0.25
π (
rad)
(
²
(rad)
)
π
4
2
2
•
Example 2:
cos
(
rad
)
²
0.5
q
.....
2
(Rad)
W
R
A
x
\
3
T
=
π
3
•
Example 4:
tan
µ
1
0.741
²
36.53844577
°
q
.....
1
(Deg)
A
g
0.741
=
k
Hyperbolic/Inverse Hyperbolic
Functions
•
Example 1:
sinh 3.6
²
18.28545536
M
S
3.6
=
•
Example 2:
sinh
µ
1
30
²
4.094622224
M
A
j
30
=