隐藏 标签 left parenthesis, 12sin left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline , right parenthesis , right parenthesis , 12cos left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline , right parenthesis , right parenthesis , right parenthesis12sin1230−x2,12cos1230−x2
标签
equals=
left parenthesis, negative 4.8 8 1 , 10.9 6 , right parenthesis−4.881,10.96
left parenthesis, 7.0 5 3 , negative 9.7 0 8 , right parenthesis7.053,−9.708
left parenthesis, negative 8.9 1 8 , 8.0 3 , right parenthesis−8.918,8.03
7
隐藏 标签 left parenthesis, 12 "t" Subscript, 1 , Baseline sin left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline left bracket, 1 , right bracket , right parenthesis , right parenthesis plus 12 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis sin left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline left bracket, 2 , right bracket , right parenthesis , right parenthesis , 12 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis cos left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline left bracket, 2 , right bracket , right parenthesis , right parenthesis plus 12 "t" Subscript, 1 , Baseline cos left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline left bracket, 1 , right bracket , right parenthesis , right parenthesis , right parenthesis12t1sin1230−x21+121−t1sin1230−x22,121−t1cos1230−x22+12t1cos1230−x21
隐藏 标签 left parenthesis, 12 "t" Subscript, 1 , Baseline sin left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline left bracket, 2 , right bracket , right parenthesis , right parenthesis plus 12 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis sin left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline left bracket, 3 , right bracket , right parenthesis , right parenthesis , 12 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis cos left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline left bracket, 3 , right bracket , right parenthesis , right parenthesis plus 12 "t" Subscript, 1 , Baseline cos left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline left bracket, 2 , right bracket , right parenthesis , right parenthesis , right parenthesis12t1sin1230−x22+121−t1sin1230−x23,121−t1cos1230−x23+12t1cos1230−x22
隐藏 标签 left parenthesis, 12 "t" Subscript, 1 , Baseline sin left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline left bracket, 1 , 2 , right bracket , right parenthesis , right parenthesis plus 12 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis sin left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline left bracket, 2 , 3 , right bracket , right parenthesis , right parenthesis , 12 left parenthesis, 1 minus "t" Subscript, 1 , Baseline , right parenthesis cos left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline left bracket, 2 , 3 , right bracket , right parenthesis , right parenthesis plus 12 "t" Subscript, 1 , Baseline cos left parenthesis, 12 left parenthesis, 30 minus "x" Subscript, 2 , Baseline left bracket, 1 , 2 , right bracket , right parenthesis , right parenthesis , right parenthesis12t1sin1230−x21,2+121−t1sin1230−x22,3,121−t1cos1230−x22,3+12t1cos1230−x21,2
标签
equals=
left parenthesis, 2.6 2 6 , negative 2.0 3 9 , right parenthesis2.626,−2.039
left parenthesis, negative 2.9 9 2 , 1.4 4 9 , right parenthesis−2.992,1.449
