โจ Best Answer โจ
ใใฎใใใชๆใใ ใจๆใใพใใ
ใจใฆใๅใใใใใใฆ็ดๅพใใพใใ๏ผใใใใจใใใใใพใ(*^^*)
Mathematics
Senior High
Solved
่ณๆฅ๐
้ซๆ ก1ๅนดไธ่งๆฏใฎใจใใใงใใ
ๅใใใจใใใ ใใงใ่งฃ่ชฌใใ้กใใใใใงใ๐๐ฆ
ๅฝ ๆฌกใฎๅผใฎๅคใๆฑใใใ ไบบ
โช) (Sinใฎcosใฎ(sinใฎไธcos9)%
โก ไธsinใฎไบบ1ไบsinใฎ9ใใผใผใใผใผ
ใใใใ 4, 2
an
FY:
ใ | ใฎ3Rใฎใ ใใๅคใฎๅนผๅฒใๆฑใใใ
(โ โก) ใงใฏ 0"ใฎ180* ใจใใใ
| G) 2sinใฎ-1
โกโซ -3cos9+1
โฃโญ YStan9-3 (30'<9<60'
| โจ 2tanใฎ9+1 (Ws9se0)
1
|
|
0?ใใฎ<1807 ใจใใใ ๆฌกใฎไธ็ญๅผใๆบใใ 9 ใฎๅคใฎ็ฏๅฒใๆฑใใใ
3 โฌ tan9ใ-J3
โ sinใฎ< @ cos2>ไธ (
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions ๐
็ถใใงใใ