SOLUTION: Prove that : 1. (cscA-1)/(cscA+1) = (1-sinA)/(1+sinA) 2. (secA/cscA)+(sinA/cosA) = 2tanA 3. (1+sinA)/(1-sinA) = (cscA+1)/(cscA-1) 4. sinA/(sinA-cosA) = 1/(1-cotA) 5. (tanA+c

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Question 549270: Prove that :
1. (cscA-1)/(cscA+1) = (1-sinA)/(1+sinA)
2. (secA/cscA)+(sinA/cosA) = 2tanA
3. (1+sinA)/(1-sinA) = (cscA+1)/(cscA-1)
4. sinA/(sinA-cosA) = 1/(1-cotA)
5. (tanA+cotA)/tanA = csc^2 A
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!
Prove that :
1.  = 

  ÷

÷

÷

÷

×

×




2.  +  = 

   ÷ + 

   ÷ + 
    
   × + 

    + 

    + 

   


3.  = 

You can do that one by substituting  for 
It's similar to the first one.

4.  = 
                    = ÷
                    = ÷ 
                    = ÷
                    = ÷
                    = ×                 
                    = 

5.  = AMP Parsing Error of [csc^2A]: Invalid function '\A': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.

    
    
    + 
    + ÷
    + ÷
    + ×
    + ×  
    + AMP Parsing Error of [cot^2A]: Invalid function '\A': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.

   AMP Parsing Error of [csc^2A]: Invalid function '\A': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.


Edwin
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