表达式7: "y" equals StartFraction, 1 Over tan "b" , EndFraction left parenthesis, "a" minus "x" , right parenthesis left brace, "c" less than "x" less than "a" , right bracey=1tanba−xc<x<a
7
表达式8: "y" equals left parenthesis, tan "b" , right parenthesis left parenthesis, "x" minus "a" , right parenthesis left brace, "a" less than "x" less than "d" , right bracey=tanbx−aa<x<d
8
表达式9: "y" equals left parenthesis, tan "b" , right parenthesis left parenthesis, "x" plus StartFraction, "a" minus "c" Over sin squared "b" , EndFraction minus "a" , right parenthesis left brace, "c" less than "x" less than "f" , right bracey=tanbx+a−csin2b−ac<x<f
9
表达式10: StartFraction, 1 Over tan "b" , EndFraction left parenthesis, "a" minus "x" plus StartFraction, "d" minus "a" Over cos squared "b" , EndFraction , right parenthesis left brace, "f" less than "x" less than "d" , right brace1tanba−x+d−acos2bf<x<d
10
表达式11: "c" equals StartFraction, "a" Over StartRoot, 3 , EndRoot tan "b" plus 1 , EndFractionc=a3tanb+1
equals=
0.1 9 0 4 1 0 1 0 3 5 80.19041010358
11
表达式12: "d" equals StartFraction, StartRoot, 3 , EndRoot plus "a" tan "b" Over StartRoot, 3 , EndRoot plus tan "b" , EndFractiond=3+atanb3+tanb