y=2sin(x/2+θ)
T=4π
猜你喜欢
- 1一个长方体长18厘米,宽12厘米,高10厘米.这个长方体左侧面的周长是多少厘米?
- 2Lets look at the book on my desk.哪里错了
- 3一个质量为m的小球,在高空自由下落,t时刻重力的功率是( ) A.mg2•t B.mg2•t22 C.mg2•t2 D.mg2•t2
- 4若定义在[-2013,2013]上的函数f(x)满足:对于任意的x1,x2∈[-2013,2013],有f(x1+x2)=f(x1)+f(x2)-2012,且x>0时,有f(x)>2012,f(x)的最大、小值分别为M、N,则M+N的值为(
- 5故乡-课文降解
- 6I _____ (spend) two hours _____(do)my homework last night
- 7‘if you are going to have a talk show,what's topic for that?
- 8已知△ABC中,AD垂直于∠ACB的角平分线于D,DE‖BC交AB于E,求证:EA=EB
- 91.已知a,b,求的余弦值:
- 10who's taller,your or your father?哪里有错,怎样改正?如题