Biểu thức 5: "D" Subscript, "e" "l" "t" "a" , Baseline equals StartFraction, pi Over "n" , EndFractionDelta=πn
5
Biểu thức 6: "i" equals left bracket, 0 , ... , "n" minus 1 , right bracketi=0,...,n−1
6
Biểu thức 7: "y" equals StartFraction, left parenthesis, left parenthesis, "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis sin left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , right parenthesis minus "r" left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis sin left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , right parenthesis Over "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis minus "r" left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , EndFraction "x" positive left parenthesis, "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis sin left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis minus StartFraction, left parenthesis, left parenthesis, "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis sin left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , right parenthesis minus "r" left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis sin left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , right parenthesis Over "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis minus "r" left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , EndFraction "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , right parenthesis left brace, "r" left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis less than "x" less than "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , right bracey=ri+1Deltasini+1Delta−riDeltasiniDeltari+1Deltacosi+1Delta−riDeltacosiDeltax+ri+1Deltasini+1Delta−ri+1Deltasini+1Delta−riDeltasiniDeltari+1Deltacosi+1Delta−riDeltacosiDeltari+1Deltacosi+1DeltariDeltacosiDelta<x<ri+1Deltacosi+1Delta
7
Biểu thức 8: "y" equals StartFraction, left parenthesis, left parenthesis, "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis sin left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , right parenthesis minus "r" left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis sin left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , right parenthesis Over "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis minus "r" left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , EndFraction "x" positive left parenthesis, "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis sin left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis minus StartFraction, left parenthesis, left parenthesis, "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis sin left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , right parenthesis minus "r" left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis sin left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , right parenthesis Over "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis minus "r" left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , EndFraction "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , right parenthesis left brace, "r" left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, left parenthesis, "i" plus 1 , right parenthesis "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis less than "x" less than "r" left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis cos left parenthesis, "i" "D" Subscript, "e" "l" "t" "a" , Baseline , right parenthesis , right bracey=ri+1Deltasini+1Delta−riDeltasiniDeltari+1Deltacosi+1Delta−riDeltacosiDeltax+ri+1Deltasini+1Delta−ri+1Deltasini+1Delta−riDeltasiniDeltari+1Deltacosi+1Delta−riDeltacosiDeltari+1Deltacosi+1Deltari+1Deltacosi+1Delta<x<riDeltacosiDelta
8
9
cung cấp bởi
cung cấp bởi
"x"x
"y"y
"a" squareda2
"a" Superscript, "b" , Baselineab
77
88
99
over÷
chức năng
((
))
less than<
greater than>
44
55
66
times×
| "a" ||a|
,,
less than or equal to≤
greater than or equal to≥
11
22
33
negative−
A B C
StartRoot, , EndRoot
piπ
00
..
equals=
positive+
hoặc
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