Mathematics
Senior High
なぜ1行目から2行目の式になるのか教えてください
=1/12.3.
· 3 · 4sin 0+·2·3sin (180° — 0)
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HA
= 6sin 0 + 3sin 0 = 9sin 0
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S
12V/2=6√/2
3
=9..
11
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