CITIZEN SR-260N - Инструкция (Страница 13)

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 ]
[RÆP]
7. 8 1
DEG
If a = 5 and b =
6, what are r
andθ?
[ b ]
5 0. 1 9