化简 sin²x+sin²(x+2π/3)+sin²(x-2π/3)
问题描述:
化简 sin²x+sin²(x+2π/3)+sin²(x-2π/3)
答
sin²x+sin²(x+2π/3)+sin²(x-2π/3)
化简 sin²x+sin²(x+2π/3)+sin²(x-2π/3)
sin²x+sin²(x+2π/3)+sin²(x-2π/3)