Physics
Senior High
高一物理三角比の問題です
解き方が全く分かりません( ; ; )
どなたか教えてください
(4) 図の直角三角形ABC で, AB=20cm, sin0=
辺の長さは何cmか。
①辺BC
=3, cose=
5
cost=1のとき、次の
A
20 cm
②辺CA
B0
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