## anonymous 5 years ago how do you prove 2sin^2(t)=2-3sin(2t)-4cos^2(t)

1. anonymous

so far i have 2-2cos^2t = 2-6sintcost-4cos^2t

2. anonymous

({1-\cos(2t)} =

3. anonymous

$({1-\cos(2t))} =$ ... Need to fix your identity on the left.