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微积分公式
Dx sin x=cos x cos x = -sin x tan x = sec2 x cot x = -csc2 x sec x = sec x tan x csc x = -csc x cot x ?1xDx sin-1 ()= 22aa?xx cos-1 ()= ax?atan-1 ()=2 aa?x2xcot-1 ()= a? sin x dx = -cos x + C ? cos x dx = sin x + C ? tan x dx = ln |sec x | + C ? cot x dx = ln |sin x | + C ? sec x dx = ln |sec x + tan x | + C ? csc x dx = ln |csc x – cot x | + C ? sin-1 x dx = x sin-1 x+1?x2+C ? cos-1 x dx = x cos-1 x-1?x2+C ? tan-1 x dx = x tan-1 x-?ln (1+x2)+C ? cot-1 x dx = x cot-1 x+?ln (1+x2)+C ? sec-1 x dx = x sec-1 x- ln |x+x2?1|+C sin-1(-x) = -sin-1 x cos-1(-x) = ? - cos-1 x tan-1(-x) = -tan-1 x cot-1(-x) = ? - cot-1 x sec-1(-x) = ? - sec-1 x csc-1(-x) = - csc-1 x xsinh-1 ()= ln (x+a2?x2) x?R axcosh-1 ()=ln (x+x2?a2) x≧1 ax1a?xtanh-1 ()=ln () |x| <1 a2aa?x1x?a-1xcoth ()=ln () |x| >1 -1-12a2ax?a? csc x dx = x csc x+ ln |x+x?1|+C x?11?x2sech()=ln(+)0≦x≦1 2axx-1sec-1 ( x?a)= axx2?a2csc-1 (x/a)= Dx sinh x = cosh x cosh x = sinh x tanh x = sech2 x coth x = -csch2 x sech x = -sech x tanh x csch x = -csch x coth x ? sinh x dx = cosh x + C ? cosh x dx = sinh x + C ? tanh x dx = ln | cosh x |+ C ? coth x dx = ln | sinh x | + C ? sech x dx = -2tan-1 (e-x) + C ? csch x dx = 2 ln |x11?x2csch ()=ln(+) |x| >0 axx2duv = udv + vdu -11?e?x1?e?2x| + C ? duv = uv = ? udv + ? vdu →? udv = uv - ? vdu cos2θ-sin2θ=cos2θ cos2θ+ sin2θ=1 cosh2θ-sinh2θ=1 cosh2θ+sinh2θ=cosh2θ 精品文档
精品文档 xDx sinh-1()= axcosh-1()= a-11a?x1x?a222 ? sinh-1 x dx = x sinh-1 x-1?x2+ C ? cosh-1 x dx = x cosh-1 x-x2?1+ C sin 3θ=3sinθ-4sin3θ cos3θ=4cos3θ-3cosθ →sin3θ= ? (3sinθ-sin3θ) →cos3θ=?(3cosθ+cos3θ) 2x?atanh()= 2 aa?x2-1? tanh-1 x dx = x tanh-1 x+ ? ln | 1-x2|+ C ejx?e?jxejx?e?jxsin x = cos x = 2j2? coth-1 x dx = x coth-1 x- ? ln | 1-x2|+ C ex?e?xex?e?xsinh x = cosh x = 22bca正弦定理:= ==2R sin?sin?sin?? sech-1 x dx = x sech-1 x- sin-1 x + C xcoth()= a? csch-1 x dx = x csch-1 x+ sinh-1 x + C ?ax γ sech-1()= 22a axa?x R b csch-1(x/a)=?axa?x22 β α 餘弦定理: a2=b2+c2-2bc cosα b2=a2+c2-2ac cosβ c2=a2+b2-2ab cosγ c sin (α±β)=sin α cos β ± cos α sin β cos (α±β)=cos α cos β ?sin α sin β 2 sin α cos β = sin (α+β) + sin (α-β) 2 cos α sin β = sin (α+β) - sin (α-β) 2 cos α cos β = cos (α-β) + cos (α+β) 2 sin α sin β = cos (α-β) - cos (α+β) x2x3xne=1+x+++…++ … 2!3!n!x sin α + sin β = 2 sin ?(α+β) cos ?(α-β) sin α - sin β = 2 cos ?(α+β) sin ?(α-β) cos α + cos β = 2 cos ?(α+β) cos ?(α-β) cos α - cos β = -2 sin ?(α+β) sin ?(α-β) tan (α±β)=tan??tan??cot?cot?, cot (α±β)= ?tan?tan?cot??cot? n2n?1sin x = x-cos x = 1-(?1)xxxx+-+…++ … (2n?1)!3!5!7!(?1)xxxx+-+…++ … (2n)!2!4!6!246n2n357?1= ni?1ni?1n ?i= ?n (n+1) (?1)nxn?1x2x3x4ln (1+x) = x-+-+…++ … (n?1)!234(?1)nx2n?1x3x5x7tan x = x-+-+…++ … (2n?1)357-1?i2= i?1nn1 n (n+1)(2n+1) 6?ii?13= [?n (n+1)]2 Γ(x) = ?t0?x-1-te dt = 2?t0?2x-1?t2edt = ??01(ln)x-1 dt t精品文档
精品文档 ?1r(r?1)2r(r?1)(r?2)3m-1n-1(1+x)=1+rx+x+x+… -1 大寫 Α Β Γ Δ Ε Ζ Η Θ 小寫 讀音 alpha beta gamma delta epsilon zeta eta theta 大寫 Ι Κ Λ Μ Ν Ξ Ο Π 小寫 讀音 iota kappa lambda mu nu xi omicron pi 大寫 Ρ Σ Τ Υ Φ Χ Ψ Ω ??0xm?1dx (1?x)m?n小寫 讀音 α β γ δ ε ζ η θ ι κ λ μ ν ξ ο π rho ρ σ, ? sigma tau τ υ upsilon phi φ khi χ psi ψ ω omega 倒數關係: sinθcscθ=1; tanθcotθ=1; cosθsecθ=1 sin?cos?; cotθ= cos?sin?平方關係: cos2θ+ sin2θ=1; tan2θ+ 1= sec2θ; 1+ cot2θ= csc2θ 商數關係: tanθ= 順位高; ? 順位高d 順位低 ; 順位低0*? = 101? *? = = 0* = 00??00 = e0(??) ; ?0 = e0?? ; 1? = e0?? 算術平均數(Arithmetic mean) 順位一: 對數; 反三角(反雙曲) 順位二: 多項函數; 冪函數 順位三: 指數; 三角(雙曲) 中位數(Median) 眾數(Mode) 幾何平均數(Geometric mean) 調和平均數(Harmonic mean) X1?X2?...?Xn n取排序後中間的那位數字 X?次數出現最多的數值 G?nX1?X2?...?Xn H?1 1111(??...?)nx1x2xni平均差(Average Deviatoin) ?|X1n?X|n 精品文档