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1
三角学习指导
三育图书文具公司
周士宜编著
cot
seca
cota
csc
cosec
csca
2sin
acos
cosasina
sinta
asin
sinacosa
cosb
sin2a
tanb
2sinacosa
sect
2cosa
atan
cos30
cos60
2cot
sin30
coseca
cotb
secta
sin60
tan60
2cos
2tana
cscta
esca
secacsca
sin’a
tan2a
2sina
2tan
aseca
bie
rab
sink
tan30
tan’a
acosta
ain
brr
cos’a
cot60
rrb
rrr
Year:
1978
Language:
chinese
File:
PDF, 5.43 MB
Your tags:
0
/
0
chinese, 1978
2
高中数学一题多解
武汉:湖北教育出版社
鐞氬叴骞跨紪
,
Pdg2Pic
,
琚兴广编
tga
sin’a
arcsin
2sin
cosz
cos’a
sin2a
sinc
2cos
sin20
aabc
ctga
sinacosa
tg’a
cos2a
asin
cosc
sinb
arcsinz
wes
brs
cosf
cos80
cosd
isin
sin‘a
ctg’a
sin60
cos20
cos’z
tgb
cosé
ctg
pba
sin80
2sina
4sin
aresin
cosasina
rra
whs
zpba
2pb
arccos
brl
bsin’a
cosb
cosr
isina
prr
Year:
1995
Language:
Chinese
File:
PDF, 6.57 MB
Your tags:
0
/
0
Chinese, 1995
3
高中数学一题多解
武汉:湖北教育出版社
琚兴广编
tga
sin’a
arcsin
2sin
cosz
cos’a
sin2a
sinc
2cos
sin20
aabc
ctga
sinacosa
tg’a
cos2a
asin
cosc
sinb
arcsinz
wes
brs
cosf
cos80
cosd
isin
sin‘a
ctg’a
sin60
cos20
cos’z
tgb
cosé
ctg
pba
sin80
2sina
4sin
aresin
cosasina
rra
whs
zpba
2pb
arccos
brl
bsin’a
cosb
cosr
isina
prr
Year:
1995
Language:
chinese
File:
PDF, 6.47 MB
Your tags:
0
/
0
chinese, 1995
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