标签 left parenthesis, alpha times StartFraction, 2 Over pi , EndFraction , tan left parenthesis, alpha , right parenthesis , right parenthesisα·2π,tanα
表达式12: natural log left parenthesis, sec left parenthesis, arcsin left parenthesis, StartFraction, "d" Subscript, "o" "u" "t" , Baseline Over "L" , EndFraction plus sin left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesis , right parenthesis minus natural log left parenthesis, sec left parenthesis, "a" , right parenthesis , right parenthesis minus "n" Subscript, "a" "v" "e" "r" "a" "g" "e" , Baseline times left parenthesis, arcsin left parenthesis, StartFraction, "d" Subscript, "o" "u" "t" , Baseline Over "L" , EndFraction plus sin left parenthesis, "a" , right parenthesis , right parenthesis minus "a" , right parenthesis tilde 0lnsecarcsindoutL+sina−lnseca−naverage·arcsindoutL+sina−a~0
12
表达式13: "a" Subscript, 2 , Baseline equals arc sine left parenthesis, StartFraction, "d" Subscript, "o" "u" "t" , Baseline Over "L" , EndFraction plus sin left parenthesis, "a" , right parenthesis , right parenthesisa2=arcsindoutL+sina
equals=
1.4 3 1 6 9 7 5 1 7 0 21.43169751702
13
表达式14: 0 less than "y" less than tangent left parenthesis, "x" times StartFraction, pi Over 2 , EndFraction , right parenthesis left brace, "a" times StartFraction, 2 Over pi , EndFraction less than "x" less than "a" Subscript, 2 , Baseline times StartFraction, 2 Over pi , EndFraction , right brace0<y<tanx·π2a·2π<x<a2·2π
14
表达式15: "L" cosine left parenthesis, "a" , right parenthesis minus "L" cosine left parenthesis, "a" Subscript, 2 , Baseline , right parenthesisLcosa−Lcosa2
equals=
7.3 3 5 8 0 7 7 6 3 27.3358077632
15
表达式16: tangent left parenthesis, "x" , right parenthesistanx
16
17
技术支持
技术支持
>>>OutputForce
InputForce>>>
Mechanical advantage of system
left parenthesis, 0.2 4 4 4 6 , 0.4 0 4 0 6 , right parenthesis0.24446,0.40406
