问题
选择题
设a=π0.5,b=log32,c=cos2,则( )
A.c<a<b
B.a<c<b
C.b<c<a
D.c<b<a
答案
∵π0.5>π0=1,0<log32<1,cos2<cos
=0,∴c<b<a.π 2
故选D.
设a=π0.5,b=log32,c=cos2,则( )
A.c<a<b
B.a<c<b
C.b<c<a
D.c<b<a
∵π0.5>π0=1,0<log32<1,cos2<cos
=0,∴c<b<a.π 2
故选D.