Mathematics
Senior High
⑵の問題でcosθ＝-3/5がダメな理由を教えてください
pieniet=
1
=
2
2
練習
② 154
(1) 0<α<π, cosα=
(2)
(2) tan
132
のとき,2c, の正弦,余弦,正接の値を求
1)
のとき, cose, tan 0, tan 20 の値を求めよ。
p.1
D
+0200 &
2 T
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