Question

Помогите решить уравнение
-3cos x +sin x =0

Answer 1

- 3cosx + sinx = 0

sinx = 3cosx

tgx = 3

x = arctg 3

x = actg 3 + kπ, k∈Z, x≠π/2 + kπ

x = arctg 3 + kπ, k∈Z

x ≈ 1,24905 + kπ, k∈Z