tanα=-1,α=?

tanα=—1,α=? α∈(0,2π)
2025-06-27 19:06:42
推荐回答(3个)
回答1:

tanα=—1,α=3π/4或7π/4,( α∈(0,2π))

回答2:

α=3π/4,α=7π/4

回答3:

a=3π/4或a=7π/4