sin多少度等于二分之根号三?
问题描述:
sin多少度等于二分之根号三?
答
sinx=√3/2
x=2kπ+π/3 或 x=2kπ+2π/3 k∈z
sin多少度等于二分之根号三?
sinx=√3/2
x=2kπ+π/3 或 x=2kπ+2π/3 k∈z