A.((3.2x^2+log(1.2))*x-5.1)*x - Sinx
B.((3.2 * x * x+ ln(1.2))*x-5.1)*x - Sin(x)
C.((3.2x * 2+ log(1.2))x-5.1)*x - Sin(x)
D.((3.2 * x* x + log(1.2))* x -5.1)* x - Sin(x)
[单选题]代数式x1-a+ln10+sin(x2+2л)/cos(57o)对应的VisualBasic表达式是()A . X1-AbsA.+Log(10)+Sin(X2+2*3.14)/Cos(57*3.14/180)B . X1-AbsA.+Log(10)+Sin(X2+2*л)/Cos(57*3.14/180)C . X1-AbsA.+Log(10)+Sin(X2+2*3.14)/Cos(57)D . X1-AbsA.+Log(10)+Sin(X2+2*л)/Cos(57)
[单选题]代数式x1-|a|+In10+sin(x2+2π)/cos57°对应的Visual Basic表达式是( )。A.X1-Abs(A)+Log(10)+Sin(X2+2*3.14)/Cos(57*3.14/180)B.X1-Abs(A)+Log(10)+Sin(X2+2*π)/Cos(57*3.14/180)C.X1-Abs(A)+LOg(10)+Sin(X2+2*3.14)/Cos(57)D.X1-Abs(A)+Log(10)+Sin(X2+2*π)/Cos(57)
[问答题]x→0时,sin3x~_______,ln(1+x2) ~_______,e2x-1~_______,~_______。arcsin2x~______
[问答题]已知f′(2+cosx)=sin2x+tan2x,则f(x)=------------.
[问答题]已知f′(2+cosx)=sin2x+tan2x,则f(x)=------------.
[问答题]已知f′(2+cosx)=sin2x+tan2x,则f(x)=----------------.
[问答题]曲线sin(xy)+ln(y-x)=x在点(0,1)处的切线方程是----------.
[单选题][(3x2+5)/(5x+3)]sin(2/x)的值是:()A . 1B . 6/5C . 2D . 1
[单选题]已知f’(x)=sec2x+sin2x,且f(0)=3/2,则f(x)等于().A . B . C . D .
[问答题]f(x)=ln(x-2)的定义域是____。