Answer:
Angles are: 0°, 180°, 360°, 540°
Explanation:
we have to tell four angles whose tangent equals 0.
i.e if
we have to find 4 values of
where n is integer
Put k=0, 1, 2, 3
n=0,
n=1,
n=2,
n=3,
7.6m questions
10.2m answers