Enter numbers in the white input boxes, below:  
  B =    
                           
  A =    
   
   
   
   
   
           
                           
   
                           
  Scroll down, and solve the following 10 problems.  
                           
               
                           
After entering your calculated result in the white input box below, left click
on the yellow background, and the software will check your calculations.
   
                           
         
                           
           
      sech(x)dx =
           
           
         
 
 
                           
           
  This is a spreadsheet version of the formula for problem 1 (This functions only in a specially prepared interface created with spreadsheet software.)  
   
=ROUND((2*ATAN(EXP(1)^B))-(2*ATAN(EXP(1)^A)),D)
For help with problem one, left click on the following Internet links
To access the Wolfram Alpha computer use the following links
Integrate[ sech(x)dx, A, B] in the Wolfram Alpha computer
If the above link fails, click on link below, and insert: Integrate[ sech(x)dx, 2, 10]
www.wolframalpha.com
     
     
     
     
    Enter comments in this box for Problem 1  
     
     
     
     
                           
After entering your calculated result in the white input box below, left click
on the yellow background, and the software will check your calculations.
   
                           
           
 
                       
      2  
  sech(x) dx =
         
         
           
 
 
                           
           
  This is a spreadsheet version of the formula for problem 1 (This functions only in a specially prepared interface created with spreadsheet software.)  
   
=ROUND( TANH(B)-TANH(A), D)
For help with problem 2, left click on the following Internet links
To access the Wolfram Alpha computer use the following links
Integrate [(sech(x))^2 dx, A, B] in the Wolfram Alpha computer
If the above link fails, click on link below, and insert: Integrate [(sech(x))^2 dx, A, B]
www.wolframalpha.com
     
     
     
     
    Enter comments in this box for Problem 2  
     
     
     
     
                           
After entering your calculated result in the white input box below, left click
on the yellow background, and the software will check your calculations.
   
                           
           
 
                       
      3  
  sech(x) dx =
         
         
           
 
 
                           
           
  This is a spreadsheet version of the formula for problem 3 (This functions only in a specially prepared interface created with spreadsheet software.)  
   
=ROUND((ATAN(EXP(1)^B)+SINH(B)/(2*(COSH(B)^2)))-(ATAN(EXP(1)^A)+SINH(A)/(2*(COSH(A)^2))), D)
For help with problem 3, left click on the following Internet links
To access the Wolfram Alpha computer use the following links
Integrate[ ((sech(x))^3) dx, A, B] in the Wolfram Alpha computer
If the above link fails, click on link below, and insert: Integrate[ ((sech(x))^3) dx, A, B]
www.wolframalpha.com
     
     
     
     
    Enter comments in this box for Problem 3  
     
     
     
     
                           
After entering your calculated result in the white input box below, left click
on the yellow background, and the software will check your calculations.
   
                           
           
                           
           
    csch(x)dx =
           
           
           
 
 
                           
           
  This is a spreadsheet version of the formula for problem 4 (This functions only in a specially prepared interface created with spreadsheet software.)  
   
=ROUND((LN(TANH(B/2)))-(LN(TANH(A/2))), D)
For help with problem 4, left click on the following Internet links
To access the Wolfram Alpha computer use the following links
Integrate[csch(x)dx, A, B] in the Wolfram Alpha computer
If the above link fails, click on link below, and insert: Integrate[csch(x) dx, A, B ]
www.wolframalpha.com
     
     
     
     
    Enter comments in this box for Problem 4  
     
     
     
     
                           
After entering your calculated result in the white input box below, left click
on the yellow background, and the software will check your calculations.
   
                           
           
 
                       
      2  
  csch(x) dx =
         
         
           
 
 
                           
           
  This is a spreadsheet version of the formula for problem 5 (This functions only in a specially prepared interface created with spreadsheet software.)  
   
=ROUND((-CothB)-(-CothA), D)
For help with problem 5, left click on the following Internet links
To access the Wolfram Alpha computer use the following links
Integrate[ (csch(x))^2 dx, A, B] in the Wolfram Alpha computer
If the above link fails, click on link below, and insert: Integrate[ (csch(x))^2 dx, A, B]
www.wolframalpha.com
     
     
     
     
    Enter comments in this box for Problem 5  
     
     
     
     
                           
After entering your calculated result in the white input box below, left click
on the yellow background, and the software will check your calculations.
   
                           
         
                           
        3  
    csch(x) dx =
           
           
         
 
 
                           
           
  This is a spreadsheet version of the formula for problem 6 (This functions only in a specially prepared interface created with spreadsheet software.)  
   
=ROUND((-(LN(TANH(B/2))/2)-COSH(B)/(2*(SINH(B)^2)))-(-(LN(TANH(A/2))/2)-COSH(A)/(2*(SINH(A)^2))), D)
For help with problem 6, left click on the following Internet links
To access the Wolfram Alpha computer use the following links
Integrate[ (csch(x))^3 dx, A, B] in the Wolfram Alpha computer
If the above link fails, click on link below, and insert: Integrate[ (csch(x))^3 dx, A, B]
www.wolframalpha.com
     
     
     
     
    Enter comments in this box for Problem 6  
     
     
     
     
                           
After entering your calculated result in the white input box below, left click
on the yellow background, and the software will check your calculations.
   
                           
         
                           
           
  sech(x)+csch(x)dx =
           
           
         
 
 
                           
           
  This is a spreadsheet version of the formula for problem 7 (This functions only in a specially prepared interface created with spreadsheet software.)  
   
=ROUND((2*ATAN(EXP(1)^B)+LN((EXP(1)^B)-1)-LN((EXP(1)^B)+1))-(2*ATAN(EXP(1)^A)+LN((EXP(1)^A)-1)-LN((EXP(1)^A)+1)), D)
For help with problem 7, left click on the following Internet links
To access the Wolfram Alpha computer use the following links
Integrate[(sech(x)+cscth(x))dx, A, B] in the Wolfram Alpha computer
If the above link fails, click on link below, and insert: Integrate[(sech(x)+csch(x)) dx, A, B]
www.wolframalpha.com
     
     
     
     
    Enter comments in this box for Problem 7  
     
     
     
     
                           
After entering your calculated result in the white input box below, left click
on the yellow background, and the software will check your calculations.
   
                           
         
                           
    2   2  
  sech(x)+csch(x)dx =
           
           
         
 
 
                           
           
  This is a spreadsheet version of the formula for problem 8 (This functions only in a specially prepared interface created with spreadsheet software.)  
   
=ROUND((TANH(B)-CothB)-(TANH(A)-CothA),D)
For help with problem 8, left click on the following Internet links
To access the Wolfram Alpha computer use the following links
Integrate[sech(x)^(2)+csch(x)^(2) dx, A, B] 'in the Wolfram Alpha computer
If the above fails, click on link below, and insert: Integrate[sech(x)^(2)+csch(x)^(2) dx, A, B]
www.wolframalpha.com
   
   
   
   
    Enter comments in this box for Problem 8  
     
     
     
     
                           
After entering your calculated result in the white input box below, left click
on the yellow background, and the software will check your calculations.
   
                           
           
                           
           
    x + csch(x)dx =
           
           
           
 
 
                           
           
  This is a spreadsheet version of the formula for problem 9 (This functions only in a specially prepared interface created with spreadsheet software.)  
   
=ROUND(((2*LN((EXP(1)^B)-1)-2*LN((EXP(1)^B)+1)+B*B)-(2*LN((EXP(1)^A)-1)-2*LN((EXP(1)^A)+1)+A*A))/2,D)
For help with problem 9, left click on the following Internet links
To access the Wolfram Alpha computer use the following links
Integrate[x + csch(x)dx, A, B] in the Wolfram Alpha computer
If the above link fails, click on link below, and insert: Integrate[x + csch(x)dx, A, B]
www.wolframalpha.com
     
     
     
     
    Enter comments in this box for Problem 9  
     
     
     
     
                           
After entering your calculated result in the white input box below, left click
on the yellow background, and the software will check your calculations.
   
                           
         
                           
           
    x + sech(x)dx =
           
           
         
 
 
                           
           
  This is a spreadsheet version of the formula for problem 10 (This functions only in a specially prepared interface created with spreadsheet software.)  
   
=ROUND(((4*ATAN(EXP(1)^B)+B*B)-(4*ATAN(EXP(1)^A)+A*A))/2, D)
For help with problem 10, left click on the following Internet links
To access the Wolfram Alpha computer use the following links
Integrate[x + sech(x)dx, A, B] in the Wolfram Alpha computer
If the above link fails, click on link below, and insert: Integrate[x + sech(x) dx, A, B]
www.wolframalpha.com
     
     
     
     
    Enter comments in this box for Problem 10  
     
     
     
     
                    
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