隐藏 标签 left parenthesis, "v" times cos left parenthesis, "a" , right parenthesis times "T" , "v" times sin left parenthesis, "a" , right parenthesis times "T" minus 4.9 times "T" squared , right parenthesisv·cosa·T,v·sina·T−4.9·T2
标签
equals=
left parenthesis, 0 , 0 , right parenthesis0,0
6
隐藏 标签 left parenthesis, "v" times cos left parenthesis, "a" , right parenthesis times "T" , 0 , right parenthesisv·cosa·T,0
标签
equals=
left parenthesis, 0 , 0 , right parenthesis0,0
7
隐藏 标签 left parenthesis, 0 , "v" times sin left parenthesis, "a" , right parenthesis times "T" minus 4.9 times "T" squared , right parenthesis0,v·sina·T−4.9·T2
标签
equals=
left parenthesis, 0 , 0 , right parenthesis0,0
8
表达式9: left parenthesis, "v" times cos left parenthesis, 90 minus "a" , right parenthesis times "t" , "v" times sin left parenthesis, 90 minus "a" , right parenthesis times "t" minus 4.9 times "t" squared , right parenthesisv·cos90−a·t,v·sin90−a·t−4.9·t2
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： StartFraction, "v" Over 4.9 , EndFractionv4.9
9
隐藏 标签 left parenthesis, "v" times cos left parenthesis, 90 minus "a" , right parenthesis times "T" , "v" times sin left parenthesis, 90 minus "a" , right parenthesis times "T" minus 4.9 times "T" squared , right parenthesisv·cos90−a·T,v·sin90−a·T−4.9·T2
标签
equals=
left parenthesis, 0 , 0 , right parenthesis0,0
10
表达式11: "y" equals "x" times tangent left parenthesis, "a" , right parenthesis minus StartFraction, 9.8 Over 2 times "v" squared left parenthesis, cos "a" , right parenthesis squared , EndFraction times "x" squaredy=x·tana−9.82·v2cosa2·x2
