Mathematics
Senior High
Resolved
極限の問題です。青で囲んだ所ってどうやってやるんですか? tanをsin/cosに変換して次何するんですか…?教えてください
x→
(3) lim (z− 2 tang
(x
-
(3) lime (x-1) tanx
772
lim
→
X
-
+(x-
T
2
=tとおくと
x-> € = t -> 0
I
tanx
=
とき
I'm t tan (t + I)
TO
2
=
lim C
t
-
tant
to
I'm (sint) - (-cost)
=
-
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