Mathematics
Senior High
3番の代入してからがわかりません誰か教えてください😞
235 次の式を簡単にせよ。
() sin(2+号) +sin(0-号)
(2) tan(0-
(3) cos0+cos (0+
π+cos
π
cos0+cos(0+3x)
2
+COS
COS
2
2
= cOs0 +(cos0cos
3
-π- sin0sin
-sin 0
三
+(com@comg sin#sin )
4
Osd cos πI sin 0 sin
4
V3
Isin0.
2
=cos0 +cos0
V3
(-)-sino-(-)
+cos0.
2
一000-
-cos0+ sin0
= cos0 -S
V3
Isin 0
2
cos0
aoo
1
-sin 0
2
=0
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