Mathematics
Senior High
解き方の解説お願いします🙇♀️
TRIAL A
2580≦0<2πのとき,次の方程式を解け。
√3
2
*(1) sin 0= -—
*(3) 2 sin 0-1
(2)
(4)
0.6
zo ras
8p.121 59, p.122 510
18-1 1 ³00 S
cos 0 =
√2
tan 0+1=0
2600≦0<2πのとき,次の不等式を解け。
*(1) sin0≤
1
√2
(3) tan 0<1
(5) 2 cos 0+1≥0
- *(2) cos 0<
√3
2
(4)
2sin0<-√3
*(6) tan0+√3 <0
→教p.123 例題
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