4*(sinx的三次方)*cosx
最新问答: 阅读下面一段文字,回答文后问题。 f(x)=√3sin(πx/4 - π/3) 汽车正以10m/s的速度在平直的公路上前进,在它的正前方3m处,有一辆自行车以4m/s的速度,作同方向的运动.汽车立即关 It wasn't for several years that i had the oppertunity of se This is_______(we) new English teacher,Miss Liu_____(she)lik son的同音词? 区间多面码的名词解释今天五点以前需要. 拔丝怎么做 (2013•东台市模拟)化学是一门实验课,同学们应该掌握一些规范的实验操作技能.结合下图实验装置,回答问题. 若要鉴定某无色溶液是否是稀硫酸,选用的试剂是 to have a picnic Is she badly hurt?Don't worry.Nothing s____ 用蘸有浓氨水的玻璃棒置于个浓酸的瓶口上,均有白烟产生的是 H2SO4?HNO3?HBr? I found the little cat lying in the basket,______ (wake) the 阅读理解 Algae(水藻) are very simple plants.They grow in fres miss的将来式和过去式 1.'ve enjoyed ________to talk with you. 大自然的语言怎么写 but i'm right in the middle of important papers 求圆心在直线X+Y=0上 且过 X*2+Y*2-2X+10Y-24=O X*2+Y*2+2X+2Y-8=O 的交点的圆的