~๐ŸŽ๏ธ๐Ÿ…ข๐Ÿ…ฃ๐Ÿ…๐Ÿ…ก๐Ÿ…ฃโ˜๏ธโฒ‰๐›“โฒงโฒ“โฒ™โฒโฒงโฒ“โฒŸโฒ›๐Ÿ”ฎ~

๐Ÿ“Ÿ

๐žนโœ–๏ธโž—โž•โž–๐ŸŸฐโ„ผ

๐Ÿ–ฉ๐Ÿค“

โš–๏ธ๐Ÿ“Ÿ

โ–ถ๏ธŽ โ€ขแŠแŠ||แŠ|แ‹|||| |โœ–๏ธโž—โž•โž–๐ŸŸฐ๐Ÿ“ŸโฐยนยฒยณโดโตโถโทโธโนโŽ›โŽ โ‰ฝ > โฉŠ < โ‰ผ โŽ โŽž

๐Ÿ“ˆ ๐Ÿ–ฅ

ใ€ฐ๏ธโœ๏ธโš›๏ธ

โž•๐Ÿ”ข

๐Ÿ–ฅ๏ธ๐Ÿ’ก

๐Ÿ”ข๐Ÿ’ธ

2๏ธโƒฃโœ–๏ธ2๏ธโƒฃ

cos(ฮธ)๐Ÿงฎ

๐Ÿ“3๏ธโƒฃ๐Ÿ”ข

๐Ÿ”ขโž—๐Ÿ”ข=โ“

๐Ÿ”ฃโž—โ“

๐Ÿ”ขโž—๐Ÿงฎ

๐Ÿ”ขโž—๐ŸŸฐ

1๏ธโƒฃ/2๏ธโƒฃ

โž—๐Ÿงฎ

โž—๐Ÿ’ฏ

(1๏ธโƒฃ+๐Ÿ”Ÿ)รท2๏ธโƒฃ

2๏ธโƒฃยท3๏ธโƒฃ

๐Ÿ’ฏโž•2๏ธโƒฃ4๏ธโƒฃโž•ยผ

๐Ÿ”ขโž•โž–โœ–๏ธโž—=

9๏ธโƒฃโœ–๏ธ๐Ÿ’ฏ

๐Ÿ’ฏ๐Ÿ’ฏโž•3๏ธโƒฃ

๐Ÿ“๐Ÿ”ข#๏ธโƒฃ

๐Ÿค”๐ŸŽฒ๐Ÿ“ˆ

๐Ÿค“๐Ÿ“Š๐Ÿ“‰๐Ÿ“ˆ๐Ÿ”ข