Mathematics
Senior High
なぜ、2/3πと4/3πのところに点を取るのかわかりません
265
0s0<2元 のとき, 次の不等式を解け。
(1)* 2sin?0-4<5cos0
20-5cm0-4<0
211-ca0)-5caO-4<0
2-2cae -5ca -4<0
-2ca9-5ca9-2<0
2ca0+5ca9+2<0
=れを解くと CaBsく-2.-<ca0…0
子た 一1会 co91
(2
ル
OOF1
5a
3
9
ラて
-ca0く1
よって 0名日く予れ,手元く日く 2n
Answers
No answer yet
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
