`P` left parenthesis, 5cos "a" , 3sin "a" , right parenthesis5cosa,3sina
ป้ายกำกับ:
9
นิพจน์ 10: StartFraction, "x" squared Over 25 , EndFraction plus StartFraction, "y" squared Over 9 , EndFraction equals 1x225+y29=1
10
`O` left parenthesis, 0 , 0 , right parenthesis0,0
ป้ายกำกับ:
11
`A` left parenthesis, 5 , 0 , right parenthesis5,0
ป้ายกำกับ:
12
"x" Subscript, 4 , Baselinex4
"y" Subscript, 4 , Baseliney4
5cosine "a"5cosa
3sine "a"3sina
r1c3:
3cosine "a"3cosa
3sine "a"3sina
r2c3:
r3c3:
13
นิพจน์ 14: "r" equals StartFraction, 1 Over 215 , EndFraction theta plus 0.5 left brace, 0 less than theta less than "a" , right bracer=1215θ+0.50<θ<a
00
โดเมน \theta ค่าต่ำสุด:
less than or equal to theta less than or equal to≤θ≤
4.24.2
โดเมน \theta ค่าสูงสุด:
14
`\phi` left parenthesis, 0.4 , 0.3 , right parenthesis0.4,0.3
ป้ายกำกับ:
15
นิพจน์ 16: "y" equals 3 left brace, 5 less than or equal to "x" less than or equal to 6.5 , right bracey=35≤x≤6.5
16
`旋转,看看！` left parenthesis, StartFraction, "a" Over 5 , EndFraction plus 5 , 3 , right parenthesisa5+5,3
