Mathematics
SMA
Terselesaikan

求解😭

試比較a=cos1,b=sin2,c=tan4的大小關係。

Answers

✨ Jawaban Terbaik ✨

a = cos1 ≈ cos57.3°
b = sin2 ≈ sin114.6° = sin65.4°
a < cos45° = sin45° < b

c = tan4 ≈ tan229.2° = tan49.2° > tan45° = 1
a < b < c

Post A Comment
Apa kebingunganmu sudah terpecahkan?