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    The 
      integral of a power is the reciprocal of the exponent plus one times x to 
      the power of the exponnent plus one. 
       
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    The 
      integral of a sum is the sum of the integrals of each function being added. 
       
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    The 
      integral of a difference is the difference of the integrals of the functions 
      being subtracted. 
       
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    The 
      integral of a constant times a function is the constant times the integral 
      of the function. 
       
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    The 
      integral of a constant is the constant times x. 
       
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    The 
      integral of an exponential function is the product of the exponential function 
      and the reciprocal of the natural logarithm of the base. 
       
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    Since 
      the natural logarithm of e is 1, the integral of e^(x) is e^(x). 
       
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    The 
      integral of 1 divided by x is the natural logarithm of x. 
       
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    The 
      integral of the sine of x is the opposite of the cosine of x. 
       
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    The 
      integral of the cosine of x is the sine of x. 
       
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    The 
      integral of the tangent of x is the natural logarithm of the secant of x. 
       
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    The 
      integral of the secant of x is the natural logarithm of the sum of the secant 
      of x and the tangent of x. 
       
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    The 
      integral of the cosecant of x is the opposite of the natural logarithm of 
      the sum of the cosecant of x and the cotangent of x. 
       
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    The 
      integral of the cotangent of x is the natural logarithm of the sine of x. 
       
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