表达式11: "a" Subscript, 1 , Baseline equals arc cosine left parenthesis, StartFraction, left parenthesis, "B" squared plus "L" squared minus "L" squared , right parenthesis Over 2 "L" Subscript, 1 , Baseline "B" , EndFraction , right parenthesisa1=arccosB2+L21−L222L1B
equals=
0.2 3 6 0 3 9 2 9 2 7 3 90.236039292739
11
表达式12: "A" Subscript, 3 , Baseline equals arc tangent left parenthesis, StartFraction, "Y" Over "X" , EndFraction , right parenthesisA3=arctanYX
equals=
0.7 8 5 3 9 8 1 6 3 3 9 70.785398163397
12
表达式13: "A" Subscript, 1 , Baseline equals left parenthesis, StartFraction, 180 Over pi , EndFraction , right parenthesis left parenthesis, "A" Subscript, 3 , Baseline minus "a" Subscript, 1 , Baseline , right parenthesisA1=180πA3−a1
equals=
31.4 7 5 9 4 4 7 2 6 831.4759447268
13
表达式14: "a" Subscript, 2 , Baseline equals arc cosine left parenthesis, StartFraction, left parenthesis, "L" squared plus "L" squared minus "B" squared , right parenthesis Over 2 "L" Subscript, 1 , Baseline "L" Subscript, 2 , Baseline , EndFraction , right parenthesisa2=arccosL21+L22−B22L1L2
equals=
2.4 1 8 8 5 8 4 0 5 7 82.41885840578
14
表达式15: "A" Subscript, 2 , Baseline equals left parenthesis, StartFraction, 180 Over pi , EndFraction , right parenthesis left parenthesis, pi minus "a" Subscript, 2 , Baseline , right parenthesisA2=180ππ−a2
equals=
41.4 0 9 6 2 2 1 0 9 341.4096221093
15
表达式16: "y" equals tangent left parenthesis, "A" Subscript, 1 , Baseline left parenthesis, StartFraction, pi Over 180 , EndFraction , right parenthesis , right parenthesis "x" left brace, 0 less than or equal to "x" less than or equal to "L" Subscript, 1 , Baseline cos left parenthesis, "A" Subscript, 1 , Baseline left parenthesis, StartFraction, pi Over 180 , EndFraction , right parenthesis , right parenthesis , right bracey=tanA1π180x0≤x≤L1cosA1π180
16
表达式17: "x" Subscript, 1 , Baseline equals "L" Subscript, 1 , Baseline cosine left parenthesis, "A" Subscript, 1 , Baseline left parenthesis, StartFraction, pi Over 180 , EndFraction , right parenthesis , right parenthesisx1=L1cosA1π180
equals=
1.7 0 5 7 1 8 9 1 3 8 81.70571891388
17
表达式18: "y" Subscript, 1 , Baseline equals "L" Subscript, 1 , Baseline sine left parenthesis, "A" Subscript, 1 , Baseline left parenthesis, StartFraction, pi Over 180 , EndFraction , right parenthesis , right parenthesisy1=L1sinA1π180
equals=
1.0 4 4 2 8 1 0 8 6 1 21.04428108612
18
表达式19: "y" equals tangent left parenthesis, left parenthesis, "A" Subscript, 1 , Baseline plus "A" Subscript, 2 , Baseline , right parenthesis left parenthesis, StartFraction, pi Over 180 , EndFraction , right parenthesis , right parenthesis left parenthesis, "x" minus "x" Subscript, 1 , Baseline , right parenthesis plus "y" Subscript, 1 , Baseline left brace, "x" Subscript, 1 , Baseline less than or equal to "x" less than or equal to "X" , right bracey=tanA1+A2π180x−x1+y1x1≤x≤X
19
表达式20: "y" equals tangent left parenthesis, left parenthesis, "A" Subscript, 1 , Baseline plus "A" Subscript, 2 , Baseline , right parenthesis left parenthesis, StartFraction, pi Over 180 , EndFraction , right parenthesis , right parenthesis left parenthesis, "x" minus "x" Subscript, 1 , Baseline , right parenthesis plus "y" Subscript, 1 , Baseline left brace, "X" less than or equal to "x" less than or equal to "x" Subscript, 1 , Baseline , right bracey=tanA1+A2π180x−x1+y1X≤x≤x1
