calculus
20xxap微积分calculus知识点总结
tay tax sincos , t ]2,0[ tta tadxdyxy c o ts inc o s)( 7. High derivative x xfxxfdx ydxf x )()(lim)( 022 tata tdtdx dtyddxydxyxy x 32s i n1s i nc s c])([)( x