Mathematics
Senior High
解き方が分かりません。教えてください🙏
0≤a<7, 0≤B≤n & L
cos (-a)=si
をαで表せ.
=sina,
(ai
=cos 2r-
sina=cos 2B
DATE & B
をみたす
Answers
No answer yet
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
Recommended
詳説【数学Ⅰ】第一章 数と式～整式・実数・不等式～
8991
117
詳説【数学Ⅰ】第二章 ２次関数（後半）～最大・最小・不等式～
6131
25
詳説【数学Ａ】第１章 個数の処理（集合・場合の数・順列組合）
6118
51
詳説【数学Ａ】第２章 確率
5864
24