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Visits since  Oct 2002

 

Power of x.

(integral)xn dx = x(n+1) / (n+1) + C 
(n  -1) 
(integral)1/x dx = ln|x| + C

Exponential / Logarithmic

(integral)ex dx = ex + C  
 
(integral)bx dx = bx / ln(b) + C  
 
(integral)ln(x) dx = x ln(x) - x + C   

Trigonometric

(integral)sin x dx = -cos x + C   (integral)csc x dx = - ln|csc x + cot x| + C  
(integral)cos x dx = sin x + C   (integral)sec x dx = ln|sec x + tan x| + C  
(integral)tan x dx = -ln|cos x| + C   (integral)cot x dx = ln|sin x| + C  

Trigonometric Result

(integral)cos x dx = sin x + C    (integral)csc x cot x dx = - csc x + C   
(integral)sin x dx = -cos x + C    (integral)sec x tan x dx = sec x + C   
(integral)sec2 x dx = tan x + C    (integral)csc2 x dx = - cot x + C   

Inverse Trigonometric

(integral)arcsin x dx = x arcsin x + sqrt(1-x2) + C
(integral)arccsc x dx = x arccos x - sqrt(1-x2) + C
(integral)arctan x dx = x arctan x - (1/2) ln(1+x2) + C

Inverse Trigonometric Result
 

(integral)  dx 

sqrt(1 - x2)

 = arcsin x + C

 

(integral)  dx 

sqrt(x2 - 1)

 = arcsec|x| + C

 

(integral)  dx 

1 + x2

 = arctan x + C

 

 

Useful Identities

arccos x = pi/2 - arcsin x 
(-1 <= x <= 1) 

arccsc x = pi/2 - arcsec x 
(|x| >= 1) 

arccot x = pi/2 - arctan x 
(for all x)

 

Hyperbolic

(integral)sinh x dx = cosh x + C    (integral)csch x dx = ln |tanh(x/2)| + C   
(integral)cosh x dx = sinh x + C    (integral)sech x dx = arctan (sinh x) + C
(integral)tanh x dx = ln (cosh x) + C    (integral)coth x dx = ln |sinh x| + C  

 

(integral)a f(x) dx = a(integral) f(x) dx (if a is constant)

(integral)f(x) + g(x) dx = (integral)f(x) dx + (integral)g(x) dx

(integral)(a to b) f(x) dx = (integral)f(x) dx | (a b)

(integral)(a to b) f(x) dx + (integral)(b to c) f(x) dx = (integral)(a to c) f(x) dx

(integral)f(u) du/dx dx = (integral)f(u) du (integration by substitution)

 


 
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