Mathematics
Senior High
この3問教えてください💦
答えは、(ⅲ)0(Ⅳ)0(Ⅴ)4です！
生還 is 。
(操) sin123?十cos147” +tan20"+tan160" (iv) sin98" cos117ー
(v) (tan4 +tan50")%一(tan40"二tan130)
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