表达式10: co tangent left parenthesis, "x" , right parenthesis left brace, StartFraction, pi Over 2 , EndFraction less than "x" less than pi , right bracecotxπ2<x<π
10
表达式11: tangent left parenthesis, "x" , right parenthesis left brace, pi less than "x" less than StartFraction, 3 pi Over 2 , EndFraction , right bracetanxπ<x<3π2
11
表达式12: co tangent left parenthesis, "x" , right parenthesis left brace, pi less than "x" less than StartFraction, 3 pi Over 2 , EndFraction , right bracecotxπ<x<3π2
12
表达式13: tangent left parenthesis, "x" , right parenthesis left brace, StartFraction, 3 pi Over 2 , EndFraction less than "x" less than 2 pi , right bracetanx3π2<x<2π
13
表达式14: co tangent left parenthesis, "x" , right parenthesis left brace, StartFraction, 3 pi Over 2 , EndFraction less than "x" less than 2 pi , right bracecotx3π2<x<2π
14
表达式15: "x" equals 0x=0
negative 10−10
1010
15
表达式16: "x" equals StartFraction, pi Over 2 , EndFractionx=π2
equals=
1.5 7 0 7 9 6 3 2 6 7 91.57079632679
16
表达式17: "x" equals pix=π
equals=
3.1 4 1 5 9 2 6 5 3 5 93.14159265359
17
表达式18: "x" equals StartFraction, 3 pi Over 2 , EndFractionx=3π2
