Pick up!! ๆฐๅญฆ ้ซๆ ก็
ๆฐIII 287 (3)
ๆจก็ฏ่งฃ็ญใใใๅใใใชใใฎใง่ฉณใใๆใใฆใใ ใใ
X7.
ฦ:
=10gx
tanx+
ใฟใคใ ใฉใคใณ
้ซๆ ก็
20
Pick up!! ๆฐๅญฆ
ๆฐIII 284 (6)
ใใฎๅ
ใใฉใใใฃใฆ่จ็ฎใใใใใใฎใๆใใฆใใ ใใใ
ใฟใซ็ญใใฏ-16cos2x/sin32x ใงใใ
"80[=
ta
้ซๆ ก็
ๅ
ฌ้ใใผใ
loga
y= log x
ใฃใฆ
are)
tank t
tanxt
y'=-loga
้ฒ่ทฏ้ธใณ
Tanx
tanx
OS x
5ๅๅ
log a
x(log x)ยฒ
Pick up!! ๆฐๅญฆ
ๆฐIII 284 (3)
ๆจก็ฏ่งฃ็ญใจ้ใใใงใใใฉ่ชๅใฎ่งฃ็ญใฏ้้ใฃใฆใใพใใ^
ใฎ้ขๆฐใๅพฎๅ
?
Q&A
(log x
(log x
.). (tany
:)
ๅ็ญๅพ
ใก
1ๆ้ๅ
ใกใช
*ยน = (1/2)
1052x
ๅ็ญๅพ
ใก
1ๆ้ๅ
8
ใใคใใผใธ