Mathematics
Senior High
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三角比の問題です。どちらの問題でも教えていただけるとも嬉しいです🥹

2 ∠A=90°, ∠B=8°の△ABC に対して、以下の問に答えよ. 1 (1) cose= , BC = 502, AB = 3 = (2) cos 0: = 3 5 AC=5のとき,AB=
三角比

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