Mathematics
Senior High
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a>0 より
a = √√43
問2 △ABCにおいて, α = 1,6=√2,C=135° のとき, cを求めよ。
8
p.171 Training 14,18 (1) p.172 LevelUp 3
余弦定理は次のように変形して用いることも?
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