Hyperbolic / Inverse Hyperbolic Functions; Rectangular / Polar Coordinates - Citizen SR-260N Instruction Manual

3 sin 85 º = ? 3 [ x ] 85 [ sin ] [ = ]
π
[DRG] [ 2ndF ] [ π ] [
cos ( rad)
4
[ = ] [ cos ]
= ?
tan 150grad = ? [DRG] 150 [ tan ]
–1
sin 0.5 = ?
[DRG] 0.5 [ 2ndF ] [ sin
deg
1
–1
cos ( ) [DRG] 2 [ √ ] [ 2ndF ]
2
[ 1/x ] [ 2ndF ] [ cos
= ? rad
–1
tan 1 = ? grad [DRG] 1 [ 2ndF ] [ tan

Hyperbolic / Inverse hyperbolic functions

1.5 [ HYP ] [ cos ] [ + ]
cosh1.5+sinh1.5
=
1.5 [ HYP ] [ sin ] [ = ]
–1
sinh 7 = 7 [ HYP ] [ 2ndF ] [ sin
tanh 1 = 1 [ HYP ] [ tan ]

Rectangular / Polar coordinates

Rectangular Coordinates
a + b i = r (cos
(Note) : When using those key, make sure the calculator is set for the
angular unit you want.
Converting from Rectangular to Polar
5 [ a ] 6 [ b ] [ 2ndF ]
If a = 5 and b =
[R P]
6, what are r
and θ ?
[ b ]
SR-260N_English_090324.rtf SIZE: 135x75mm
DEG
2. 9 9
RAD
÷
] 4
0. 7 1
GRAD
– 1. 0 0
DEG
–1
]
3 0. 0 0
RAD
– 1
] 0. 7 9
GRAD
–1
]
5 0. 0 0
DEG
4. 4 8
DEG
–1
]
2. 6 4
DEG
0. 7 6
Polar Coordinates
θ θ
+ i sin )
DEG
7. 8 1
DEG
5 0. 1 9
E12
/ SCALE 2:1 / 2009/3/24