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Homework Statement
http://img206.imageshack.us/img206/9099/titleol2.jpg [Broken]
http://g.imageshack.us/g.php?h=206&i=titleol2.jpg [Broken]
Show the above statement is equivalent to : sec (2x) + tan (2x)
Homework Equations
The Attempt at a Solution
First attempt in which I used the distributive Law early:
http://img237.imageshack.us/img237/876/attempt1pf3.jpg [Broken]
http://g.imageshack.us/g.php?h=237&i=attempt1pf3.jpg [Broken]
Second attempt in which I first solved within the brackets and then used the Distributive Law later:
http://img237.imageshack.us/img237/361/attempt2rz9.jpg [Broken]
http://g.imageshack.us/g.php?h=237&i=attempt2rz9.jpg [Broken]
Please help me.
Thanks.
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