Mathematics
Senior High
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問12.13 動径と単位円, 動径を含む直線と直線æ=1との交点から,次の値を求めよ.
3πT
(1) sin π, cosл, tanπ
3πT
(2) sin,
3πT
COS
tan
2
2
2
(3) sin 2, cos 2, tan 2
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