Question 742891
How do you simplify the equation 
{{{(1-2sin^2(x))^2+4sin^2(x)cos^2(x)
=1-4sin^2(x)+4sin^4(x)+4sin^2(x)(1-sin^2(x))
=1cross(-4sin^2(x))cross(+4sin^4(x))cross(+4sin^2(x))cross(-4sin^4(x)))}}}=1