2025锟斤拷呖锟斤拷锟�(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷锟角癸拷式锟斤拷變锟斤拷
锟斤拷源锟斤拷锟絎(w锟斤拷ng)锟絡(lu锟斤拷)锟斤拷锟斤拷 2024-11-13 11:18:05
锟斤拷锟斤拷锟斤拷見锟斤拷锟斤拷锟角猴拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟揭猴拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟揭猴拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟叫猴拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟侥憋拷锟角癸拷式锟斤拷變锟斤拷锟斤拷請锟斤拷锟斤拷锟斤拷锟絩锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷
锟斤拷锟斤拷tan2A=2tanA/(1-tan2A) cot2A=(cot2A-1)/2cota
锟斤拷锟斤拷cos2a=cos2a-sin2a=2cos2a-1=1-2sin2a
锟斤拷锟斤拷sinα+sin(α+2π/n)+sin(α+2π*2/n)+sin(α+2π*3/n)+……+sin[α+2π*(n-1)/n]=0
锟斤拷锟斤拷cosα+cos(α+2π/n)+cos(α+2π*2/n)+cos(α+2π*3/n)+……+cos[α+2π*(n-1)/n]=0 锟皆硷拷
锟斤拷锟斤拷sin^2(α)+sin^2(α-2π/3)+sin^2(α+2π/3)=3/2
锟斤拷锟斤拷tanAtanBtan(A+B)+tanA+tanB-tan(A+B)=0
锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷
锟斤拷锟斤拷锟竭匡拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)知锟絉锟絚锟絉锟斤拷
锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟竭★拷锟斤拷前锟斤拷(zh锟斤拷n)锟斤拷锟斤拷志愿锟斤拷锟斤拷取锟斤拷?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷
锟竭匡拷锟絩锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚
锟組锟斤拷"锟竭匡拷锟絎(w锟斤拷ng)"微锟脚癸拷锟斤拷號
锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔
- 2025锟斤拷呖锟斤拷锟�(sh锟斤拷)锟絎(xu锟斤拷)锟截匡拷锟斤拷(n锟斤拷i)锟捷加和旓拷(sh锟斤拷)锟斤拷
- 2025锟斤拷呖锟斤拷锟�(sh锟斤拷)锟絎(xu锟斤拷)锟截憋拷知锟絉锟絚锟斤拷锟皆癸拷式
- 2025锟斤拷呖锟斤拷锟�(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟絞锟斤拷直锟斤拷锟斤拷位锟斤拷锟絇(gu锟斤拷n)
- 2025锟斤拷呖锟斤拷锟�(sh锟斤拷)锟絎(xu锟斤拷)知锟絉锟絚锟斤拷式锟斤拷锟斤拷記锟斤拷锟斤拷锟紼
- 2025锟斤拷呖锟斤拷锟�(sh锟斤拷)锟絎(xu锟斤拷)知锟絉锟絚锟饺比旓拷(sh锟斤拷)锟叫硷拷锟斤拷前n
- 2025锟斤拷呖锟斤拷锟�(sh锟斤拷)锟絎(xu锟斤拷)知锟絉锟絚锟斤拷锟斤拷锟阶猴拷
- 2025锟斤拷呖锟斤拷锟�(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷要知锟絉锟絚锟缴傦拷平锟斤拷锟轿�
- 2025锟斤拷呖锟斤拷锟�(sh锟斤拷)锟絎(xu锟斤拷)知锟絉锟絚一锟轿猴拷锟斤拷(sh锟斤拷)锟斤拷锟絰锟絚锟斤拷
- 2025锟斤拷呖锟斤拷锟�(sh锟斤拷)锟絎(xu锟斤拷)知锟絉锟絚锟斤拷锟轿猴拷锟斤拷(sh锟斤拷)锟斤拷锟絰锟絚锟斤拷
- 2025锟斤拷呖锟斤拷锟�(sh锟斤拷)锟絎(xu锟斤拷)锟截匡拷锟斤拷锟斤拷锟斤拷锟組锟较和革拷锟斤拷
锟竭匡拷院校锟斤拷锟斤拷锟斤拷锟斤拷W(xu锟斤拷)锟斤拷锟絰锟斤拷锟絀(y锟斤拷)锟斤拷一锟斤拷锟斤拷位锟�锟斤拷锟�
锟斤拷校锟斤拷?j锟斤拷n)?sh锟斤拷)锟斤拷
锟斤拷锟絀(y锟斤拷)锟斤拷?j锟斤拷n)?sh锟斤拷)锟斤拷
- 锟斤拷锟节诧拷詢