SR-260N_English_090324.rtf SIZE: 135x75mm / SCALE 2:1 / 2009/3/24
E12
DEG
3 sin 85 º = ?
3 [ x ] 85 [ sin ] [ = ]
2. 9 9
RAD
cos (
4
π
rad)
= ?
[DRG] [ 2ndF ] [
π
] [
÷
] 4
[ = ] [ cos ]
0. 7 1
GRAD
tan 150grad = ?
[DRG] 150 [ tan ]
– 1. 0 0
DEG
sin
–1
0.5 = ?
deg
[DRG] 0.5 [ 2ndF ] [ sin
–1
]
3 0. 0 0
RAD
cos
–1
(
2
1
)
= ? rad
[DRG] 2 [
√
] [ 2ndF ]
[ 1/x ] [ 2ndF ] [ cos
– 1
]
0. 7 9
GRAD
tan
–1
1 = ? grad [DRG] 1 [ 2ndF ] [ tan
–1
]
5 0. 0 0
Hyperbolic / Inverse hyperbolic functions
DEG
cosh1.5+sinh1.5
=
1.5 [ HYP ] [ cos ] [ + ]
1.5 [ HYP ] [ sin ] [ = ]
4. 4 8
DEG
sinh
–1
7 =
7 [ HYP ] [ 2ndF ] [ sin
–1
]
2. 6 4
DEG
tanh 1 =
1 [ HYP ] [ tan ]
0. 7 6
Rectangular / Polar coordinates
Rectangular Coordinates Polar Coordinates
a + b i = r (cos
θ
+ i sin
θ
)
(Note) : When using those key, make sure the calculator is set for the
angular unit you want.
Converting from Rectangular to Polar
DEG
5 [ a ] 6 [ b ] [ 2ndF ]
[R
Æ
P]
7. 8 1
DEG
If a = 5 and b =
6, what are r
and
θ
?
[ b ]
5 0. 1 9
