macycubiottioqxgj5 macycubiottioqxgj5 04-06-2020 Mathematics contestada Solve sin^2 2θ=-1-cos^2θ on the interval 0<θ<2pi A. No solution B. Infinitely many solutions C. 0, 2pi/3, 4pi/3, 2pi D. 2pi/3, 4pi/3
