นิพจน์ 12: "y" Subscript, "l" "e" "f" "t" "s" "h" "i" "n" , Baseline equals sine left parenthesis, left parenthesis, StartFraction, pi squared Over 10 , EndFraction , right parenthesis sin left parenthesis, "n" plus StartFraction, 3 pi Over 4 , EndFraction , right parenthesis minus StartFraction, 3 pi Over 4 , EndFraction , right parenthesisyleftshin=sinπ210sinn+3π4−3π4
equals=
0.1 8 8 7 7 1 9 2 5 0 8 60.188771925086
12
นิพจน์ 13: "n" equals 2.8 3n=2.83
00
2 pi2π
13
Points
ซ่อนโฟลเดอร์นี้จากนักเรียน
14
ซ่อน ป้ายกำกับ left parenthesis, "x" Subscript, "r" "i" "g" "h" "t" "l" "e" "g" , Baseline plus "x" Subscript, "r" "i" "g" "h" "t" "s" "h" "i" "n" , Baseline , abs left parenthesis, "y" Subscript, 1 , Baseline , right parenthesis plus "y" Subscript, "r" "i" "g" "h" "t" "l" "e" "g" , Baseline plus "y" Subscript, "r" "i" "g" "h" "t" "s" "h" "i" "n" , Baseline , right parenthesisxrightleg+xrightshin,absy1+yrightleg+yrightshin
