I am supposed to factor a trig expression. the expression is: 1-2 sin^2x+sin^4x Any help is appreciated!
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Originally Posted by vrod guy I am supposed to factor a trig expression. the expression is: 1-2 sin^2x+sin^4x Any help is appreciated! note that your expression is a quadratic in . to see this, let , then your expression is now hopefully you can factor that, then just replace with when done
Jhevon, When I factored, I came up with (1-sin^2x)^2=cos^4x. Is this correct? Vrod guy, I hope I was able to come up with the correct answer for you.
Last edited by scottsw1; Apr 19th 2009 at 06:48 AM.
Scott, Are you sure this is correct? Does anyone else agree with Scott?
Not if you were asked to factorise. .
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