A:Where do you live?
B:It's 256 Green Street.
C:My house is on a busy street.
cos(3π2﹣φ)=35,且|φ|<π2,则tanφ为( )
物质
选项
甲
乙
丙
丁
A
Cu
CuO
CuSO4
Cu(OH)2
B
Na2CO3
CaCO3
CaO
Ca(OH)2
C
H2SO4
Na2SO4
BaSO4
Ba(OH)2
D
CO2
H2O
O2