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#185 [–¼‘O‚È‚µ]
(1)sin^2ƒ¿+cos^2ƒ¿+2sinƒ¿cosƒ¿=1+sin2ƒ¿

(2)(cos^2ƒ¿+sin^2ƒ¿)(cos^2ƒ¿-sin^2ƒ¿)=1¥(1-sin^2ƒ¿-sin^2ƒ¿)=1-2sin^2ƒ¿=cos2ƒ¿

⏰:09/09/13 21:51 📱:auùüTS3P 🆔:8s8sdW7c


#186 [–¼‘O‚È‚µ]
>>184
‚»‚Ì“ñ‚‚͓¯Ž®‚Å‚·

⏰:09/09/13 21:56 📱:auùüTS3P 🆔:8s8sdW7c


#187 [ˆŸ‹I]
>>186

‘æk�€‚ð“WŠJ‚·‚邯
k^2�{k��1/4k�|1/4k�{4
‚Æ‚È‚é‚ÆŽv‚¤‚̂ł·‚ª

‚È‚º‚±‚ꂪ“¯Ž®‚ɂȂé‚Ì‚©
‹³‚¦‚Ä‚à‚炦‚Ü‚·‚© ?

⏰:09/09/13 22:04 📱:W53H 🆔:g2IBRxpc


#188 [ö´]
>>185
‚ ‚肪‚Æ‚¤‚²‚´‚¢‚Ü‚µ‚½m(_ _)m�I�I

⏰:09/09/13 22:06 📱:W61SH 🆔:/1MWuTJs


#189 [–¼‘O‚È‚µ]
1/4(1/k�|1/k�{1)‚Í1/4‚Å‚·‚æ‚Ë�H(�L�EƒÖ�E�M)

⏰:09/09/13 22:08 📱:SO706i 🆔:1l/o8pMI


#190 [–¼‘O‚È‚µ]
•ª�”‚ªˆÙ�í‚ÉŒ©‚É‚­‚¢‚—‚—‚—‚—‚—‚Å‚«‚ê‚Ύʃ�‚ð�Ú‚¹‚Ä‚­‚ê�B

⏰:09/09/13 22:09 📱:D902iS 🆔:�™�™�™


#191 [ˆŸ‹I]
>>189

‚Í‚¢�–“WŠJ‚·‚邯
1/4k‚ª�Á‚¦‚é‚©‚ç
‚Å‚·‚æ‚Ë(*�Nq)?

⏰:09/09/13 22:12 📱:W53H 🆔:g2IBRxpc


#192 [–¼‘O‚È‚µ]
>>191
‚¢‚â�A1/k�|1/k=0‚¾‚©‚ç‚È‚ñ‚Å‚·‚¯‚Ç�B

⏰:09/09/13 22:17 📱:SO706i 🆔:1l/o8pMI


#193 [ˆŸ‹I]
>>192

‚í‚©‚è‚Ü‚µ‚½.

Á¬°ÄŠî–{—á‘è85 [jpg/18KB]
⏰:09/09/13 22:22 📱:W53H 🆔:g2IBRxpc


#194 [–¼‘O‚È‚µ]
1/{2k(2k+2)}=1/{4k(k+1)}=(1/4)¥1/{k(k+1)}

1/{k(k+1)}=(1/k)-{1/(k+1)}

•ª‚©‚è‚â‚·‚¢‚悤‚ÉŠ‡ŒÊ‚Å‚­‚­‚è‚Ü‚­‚Á‚½

⏰:09/09/13 22:47 📱:auùüTS3P 🆔:8s8sdW7c


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