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Clearnote
Q&A
Senior High
Mathematics
わかる方いませんか?お願いします😣
Mathematics
Senior High
over 2 yearsago
ぽちゃこ
わかる方いませんか?お願いします😣
7.3 右図の四角形ABCDは円に内接し、各辺の長 さは $5 AB = 4, BC =3, CD=1, DA=6 15 である。 AC=x,∠ABC=0とおくとき, 次の問に答 えよ. (1) cos∠ADC を cose を用いて表せ, Bo (2)xとcos0 をそれぞれ求めよ. JA*** ANSAJES846 A LAS 8錠 ·x 08 nia Anta 31 D C
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