Mathematics
Senior High
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どうしたらこの計算結果になるのですか?
途中式をお願いします!
【⠀2⠀】の答えが√2/1になるやつです

4(V3-1) ゆえに B=120° よって C=180°-(45°。+120°)=D15° A 2 (2) cos B= V6 75° 2 V 3 (1+V3)_ 1 ニ ニ S45° 1+V3 V6(1+V3) V2 60° B C よって B=45° 2 COs C= ニ 2 yeo ゆえに C=60° よって A=180°-(45°+60°)=D75° E+1-

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