Ask Experts Questions for FREE Help !
Ask
    prawn's Avatar
    prawn Posts: 1, Reputation: 1
    New Member
     
    #1

    Apr 25, 2012, 11:03 PM
    how to prove
    prove : 1/cotA + cosecA = cotA - cosecA
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
    Expert
     
    #2

    Apr 26, 2012, 06:31 AM
    Quote Originally Posted by prawn View Post
    prove : 1/cotA + cosecA = cotA - cosecA
    Your formula has an error:



    However, the following is true:



    To prove it start by replacing the cot(A) and csc(A) functions with their sine and cosine equivalents, then simplify - for example on the left hand side multiply numerator and denominator by sin(A).

Not your question? Ask your question View similar questions

 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

How to prove that ? [ 2 Answers ]

sin^6(x) + cos^6(x) = sin^4(x) - sin^2(x) * cos^2(x) + cos^4(x)

How do to prove [ 1 Answers ]

I would like to do the process myself, but I don't know where my wife is! What I don't know is how how do I prove that I have look for my wife?

How to prove this? [ 4 Answers ]

Please help in this problem.. Here's the problem: A body rises vertically from earth according to the law S= 64t - 16t^2. In here, I need to show or prove that it has lost one-half its velocity in the first 48ft. Of rise. Another thing.. can you please check if my answer in this problem is...

I have to prove what? [ 2 Answers ]

So you are say that I still have to get a DNA test to prove this? Even if she state it in her petition that I'm not the father and there is a sperm donor? I have to motion the court to have my name removed plus not be responsible. What right do I have to a child that's not even mines by blood. Just...

Prove it [ 1 Answers ]

Prove with eight matches sticks that one plus one equal to two in accounting


View more questions Search