Mathematics
Senior High
Resolved

これは何が間違っているのでしょうか。
答えは0です

= = sin 400 (1) sin 100⁰ + sin (10° + cos (60° cos (20⁰ = sin 100⁰ + siul100 = sin 100⁰ + sin 110° =. Sin 1600 Cos 20° - cos 100 sin 700-sin 800

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