1.sin (x+30°) + cos (x+30°) = 0

Question

1.sin (x+30°) + cos (x+30°) = 0

Answer 1

Sin(x+30°) + cos(x+30°) = 0 |:cos(x+30°)
tg(x+30°) = -1
x + 30° = -45° + 180°k,k ∈ Z
x = -75° + 180°k,k ∈ Z