Mathematics
Senior High

高校2年数学の問題です
(2)以外の解き方が全く分からないので教えて頂きたいです🙇‍♀️

PA3 sin TV = h = a i e h z te to 間3 LEA 7 (1) COS S 297 121 Sin 18 2770 131 COS 18 (4) Tan & Do

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