Mathematics
Senior High
（1）のここからの解き方がよく分かりません☁
途中式を教えて頂けませんか??🌱𓂃 𓈒𓏸
宜しくお願いします!!!!!!!!!●┓''
く2rのとき,次の方程式, 不等式を解け。
sin(20+
)=
1
Tπ
(2) cos(20 +
号)<-
V2
V3
2
フイ券
0<20<4
2045くす
20t分
112 294!
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