グラフがでます。 1-cosx^2,√3/2*sin2x https://www.wolframalpha.com/input?i=1-cosx%5E2%2C%E2%88%9A%EF%BC%93%2F2*sin2x&lang=ja 0<=x<2π,1-cosx^2=√3/2*sin2x https://www.wolframalpha.com/input?i=0%3C%3Dx%3C2%CF%80%2C1-cosx%5E2%3D%E2%88%9A%EF%BC%93%2F2*sin2x&lang=ja
グラフがでます。
1-cosx^2,√3/2*sin2x
https://www.wolframalpha.com/input?i=1-cosx%5E2%2C%E2%88%9A%EF%BC%93%2F2*sin2x&lang=ja
0<=x<2π,1-cosx^2=√3/2*sin2x
https://www.wolframalpha.com/input?i=0%3C%3Dx%3C2%CF%80%2C1-cosx%5E2%3D%E2%88%9A%EF%BC%93%2F2*sin2x&lang=ja