Mathematics
Senior High
このように加法定理を用いた計算をしましたがtan30°とtan45°の値を足すだけではなぜダメなんですか?
fan 15° = tan ( 30° + 45°)
2
tanz0² + tan 45ª.
tanze
tan 45
こ
O
(+++√3)
√7-1
F
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