mathโ™ช/์‚ผ๊ฐ๋ฒ•

์‚ผ๊ฐํ˜•์˜ ๋ณ€๊ณผ ๊ฐ๋„

ํ˜„์ง€๐Ÿผ๐Ÿ’• 2020. 11. 15. 23:15
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์‚ผ๊ฐํ˜•์˜ ๋ณ€๊ณผ ๊ฐ๋„

sin, cos, tan์˜ ๋ฒ•์น™


cยฒ = aยฒ + bยฒ - 2ab cos ฮณ