Which of these is equivalent to 2sinthetacostheta2\\sin\\theta\\cos\\theta2sinthetacostheta?
sin(2theta)\\sin(2\\theta)sin(2theta)
cos(2theta)\\cos(2\\theta)cos(2theta)
sin2theta\\sin^2 \\thetasin2theta
2sin(2theta)2\\sin(2\\theta)2sin(2theta)