Mathematics
Undergraduate
(6)と(8)と(12)の解き方が分からないので教えていただきたいです。よろしくお願いします。
2c
'
(2)ce
1
(4) Arctan
2 ク
(6) Arccos V1 1 22 (0<2< 1)
2
-1
(8) Arcsin
(z > 0)
22+1
(10) log (x + Vz? +1)
COS C
(12) (cos.a)°
COS
T
1
1+2
(14) - log
2
1-2
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