Mathematics
Senior High
青線の変形だけ教えてください!!
Cos 0+cos(0+
3
+cos(0+π)+cos(0+
2
co(+) sin(3rーの)-sin(+0)cs(xーの)
+0)sin(3π-0)-sin
COS
-π+0)cos(πー0)
(0+
3
-π%3DCOS 0+ +
265(1) cos
cos(0+
sin0
ニ
-COS
上。
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