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1、微積分公式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 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 | + Csin-1(-x) = -sin-1 xcos-1(-x)
2、 = p - cos-1 xtan-1(-x) = -tan-1 xcot-1(-x) = p - cot-1 xsec-1(-x) = p - sec-1 xcsc-1(-x) = - csc-1 xDx sin-1 ()= cos-1 ()=tan-1 ()=cot-1 ()=sec-1 ()=csc-1 (x/a)= sin-1 x dx = x sin-1 x+C cos-1 x dx = x cos-1 x-+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 s
3、ec-1 x- ln |x+|+C csc-1 x dx = x csc-1 x+ ln |x+|+Csinh-1 ()= ln (x+) xRcosh-1 ()=ln (x+) x1tanh-1 ()=ln () |x| 1sech-1()=ln(+)0x1csch-1 ()=ln(+) |x| 0Dx 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 d
4、x = 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 | + Cduv = udv + vdu duv = uv = udv + vdu udv = uv - vducos2-sin2=cos2cos2+ sin2=1cosh2-sinh2=1cosh2+sinh2=cosh2Dx sinh-1()= cosh-1()= tanh-1()= coth-1()=sech-1()= csch-1(x/a)= si
5、nh-1 x dx = x sinh-1 x-+ C cosh-1 x dx = x cosh-1 x-+ C tanh-1 x dx = x tanh-1 x+ ln | 1-x2|+ C coth-1 x dx = x coth-1 x- ln | 1-x2|+ C sech-1 x dx = x sech-1 x- sin-1 x + C csch-1 x dx = x csch-1 x+ sinh-1 x + CaRcbsin 3=3sin-4sin3cos3=4cos3-3cossin3= (3sin-sin3)cos3=(3cos+cos3)sin x = cos x = sinh
6、 x = cosh x = 正弦定理:= =2R餘弦定理: a2=b2+c2-2bc cosb2=a2+c2-2ac cosc2=a2+b2-2ab cossin ()=sin cos cos sin cos ()=cos cos sin sin 2 sin cos = sin (+) + sin (-)2 cos sin = sin (+) - sin (-)2 cos cos = cos (-) + cos (+)2 sin sin = cos (-) - cos (+)sin + sin = 2 sin (+) cos (-)sin - sin = 2 cos (+) sin (-)co
7、s + cos = 2 cos (+) cos (-)cos - cos = -2 sin (+) sin (-)tan ()=, cot ()=ex=1+x+ sin x = x-+-+ cos x = 1-+-+ ln (1+x) = x-+-+ tan-1 x = x-+-+ (1+x)r =1+rx+x2+x3+ -1x1= n= n (n+1)= n (n+1)(2n+1)= n (n+1)2(x) = x-1e-t dt = 22x-1dt = x-1 dt(m, n) =m-1(1-x)n-1 dx=22m-1x cos2n-1x dx = dx希臘字母 (Greek Alpha
8、bets)大寫小寫讀音大寫小寫讀音大寫小寫讀音alphaiotarhobetakappa, sigmagammalambdataudeltamuupsilonepsilonnuphizetaxikhietaomicronpsithetapiomega倒數關係: sincsc=1; tancot=1; cossec=1商數關係: tan= ; cot= 平方關係: cos2+ sin2=1; tan2+ 1= sec2; 1+ cot2= csc2; 順位高d 順位低 ; 0* = * = = 0* = = ; = ; = 順位一: 對數; 反三角(反雙曲)順位二: 多項函數; 冪函數順位三:
9、指數; 三角(雙曲)算術平均數(Arithmetic mean)中位數(Median)取排序後中間的那位數字眾數(Mode)次數出現最多的數值幾何平均數(Geometric mean)調和平均數(Harmonic mean)平均差(Average Deviatoin)變異數(Variance) or 標準差(Standard Deviation) or 分配機率函數f(x)期望值E(x)變異數V(x)動差母函數m(t)Discrete Uniform(n+1)(n2+1)Continuous Uniform(a+b)(b-a)2Bernoullipxq1-x(x=0, 1)ppqq+petBi
10、nomialpxqn-xnpnpq(q+ pet)nNegative BinomialpkqxMultinomialf(x1, x2, , xm-1)=npinpi(1-pi)三項(p1et1+ p2et2+ p3)nGeometricpqx-1HypergeometricnnPoissonNormal2BetaGammaExponentChi-Squared2=f(2)=E(2)=nV(2)=2nWeibull1 000 000 000 000 000 000 000 000 1024 yotta Y 1 000 000 000 000 000 000 000 1021 zetta Z 1
11、000 000 000 000 000 000 1018 exa E 1 000 000 000 000 000 1015 peta P 1 000 000 000 000 1012 tera T 兆 1 000 000 000 109 giga G 十億 1 000 000 106 mega M 百萬 1 000 103 kilo K 千 100 102 hecto H 百 10 101 deca D 十 0.1 10-1 deci d 分，十分之一 0.01 10-2 centi c 厘（或寫作厘），百分之一 0.001 10-3 milli m 毫，千分之一 0.000 001 10-6 micro ? 微，百萬分之一 0.000 000 001 10-9 nano n 奈，十億分之一 0.000 000 000 001 10-12 pico p 皮，兆分之一 0.000 000 000 000 001 10-15 femto f 飛（或作費），千兆分之一 0.000 000 000 000 000 001 10-18 atto a 阿 0.000 000 000 000 000 000 001 10-21 zepto z 0.000 000 000 000 000 000 000 001 10-24 yocto y
