Question

how do you prove 2sin^2(t)=2-3sin(2t)-4cos^2(t)

Answer 1

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

Answer 2

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

Answer 3

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