Уравнение 3sin x - 5 cos x = 0

Question

Уравнение 3sin x - 5 cos x = 0

Answer 1

3sin x - 5cos x = 0 |:cos x
3tgx - 5 = 0
tgx = 5/3
x = arctg(5/3) + pi*n,n ∈ Z