A.0.75
B.0.55
C.0.92
D.1.1
[单选题]( )。A.sin1+cos1B.2sin1+cos1C.2sin1+2cos1D.2sin1+3cos1
[单选题]的值是( )。A.B.C.D.
[单选题]与下列哪个数最接近?( )A.0.75B.0.55C.0.92D.1.1
[判断题]A.对B.错
[单选题]A.B.C.D.发散
[问答题]
[单选题]( ).A.3B.-3C.-6D.6