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1、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 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余弦定理: 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希腊字母 大写小写读音大写小写读音大写小写读音alphaiotarhobetakappa, sigmagammalambdataudeltamuupsilonepsilonnuphizetaxikhietaomicronpsithetapiomega倒数关系: sincsc=1; tancot=1; cossec=1商数关系: tan= ; cot= 平方关系: cos2+ sin2=1; tan2+ 1= sec2; 1+ cot2= csc2; 顺位高d 顺位低 ; 0* = * = = 0* = = ; = ; = 顺位一:对数; 反三角(反双曲)顺位二: 多项函数; 幂函数顺位三: 指数; 三角(双曲)1教育类别+
