Is Cos(pi(2x+1)) the Key to Simplifying the Search for x Values?

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sec(pi)=2/2x+1
-1=2/2x+1
-2x-1=2
-2x=3
x=-3/2

is this correct?
 
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is the original supposed to be sec(pi)(2x+1) = 2?
 
sec(pi(2x+1)=2

the original
 
That doesn't make any sense. You have two "(" and only one ")".
The whole question is whether you mean sec(pi(2x+1))= 2 or sec(pi(2x)+ 1= 2 and you still haven't answered that.
 
sec(pi(2x+1))= 2 is what i mean.
 
Karma said:
sec(pi(2x+1))= 2 is what i mean.

So cos(pi(2x+1)) = ? Does that suggest an easier way to search for the values of x?
 

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