นิพจน์ 4: left parenthesis, StartFraction, left parenthesis, "a" sin 2 pi "t" plus 2 "a" cot pi "t" , right parenthesis Over 2 , EndFraction , StartFraction, left parenthesis, 4 "a" minus "a" left parenthesis, 1 plus cos 2 pi "t" , right parenthesis , right parenthesis Over 2 , EndFraction , right parenthesisasin2πt+2acotπt2,4a−a1+cos2πt2
โดเมน t ค่าต่ำสุด: 00
less than or equal to "t" less than or equal to≤t≤
โดเมน t ค่าสูงสุด: 11
4
"x" Subscript, 1 , Baselinex1
"y" Subscript, 1 , Baseliney1
00
00
r1c3:
2 "a" co tangent pi "b"2acotπb
2 "a"2a
r2c3:
r3c3:
5
นิพจน์ 6: "b" equals 0.7 2 2 7b=0.7227
0.10.1
0.90.9
6
นิพจน์ 7: "y" equals StartFraction, "x" Over left parenthesis, cot pi "b" , right parenthesis , EndFraction left brace, 0 less than or equal to "y" less than or equal to 2 "a" , right bracey=xcotπb0≤y≤2a