Mathematics
Senior High
Resolved
答えは√2+1
なのですが、どこで計算を間違ったのかわかりません。
教えていただきたいです。
4
1-cos
8
3
1+Cos
1.00 1. (1)
215
4
2
2
2+√ √2
2
2+√2
2+12
2-12
(2.2)(2+J)
4+452-2
(2-2) (2+52)
=
4-2
3+2√2
3
(3)*tan/a
tan=3
tan
36
元>0より
tan
310
F=3+2F2」
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