Mathematics
Senior High
この問題普通に解くとこうなるのですが裏技知ってる人いたら教えてほしいです😖😖
3 次の値を求めよ。
(1) tan 105°
(2) tan 195°
13 次の値を求めよ。
(1)tan 105°
=
=
=kan (60°+45°)
kan60°+kon 45°
T-Aan 60° A 45°
-
√3+1)(13)
(3)(13)
1+2+34+2/3
7-3
2-√√3
=
(2)tan 195°
ton (45°+150°)
ku45°+to150°
1-ton 45° ton 150°
1+(赤)
1-(-)
(√3-1)(√3-1)
(N3+1)(3-1)
4-2013
=
2
(1)
=
(1+1/)×
3-2√3+1
3-1
2-√3
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