Answer:
Angles are: 0°, 180°, 360°, 540°
Step-by-step explanation:
we have to tell four angles whose tangent equals 0.
i.e if \(\tan\theta=0\)
we have to find 4 values of \(\theta\)
\(\theta= tan^{-1}0\)
\(\theta = n\pi\) where n is integer
Put k=0, 1, 2, 3
n=0, \(\theta = 0^{\circ}\)
n=1, \(\theta = 180^{\circ}\)
n=2,\(\theta = 360^{\circ}\)
n=3, \(\theta = 540^{\circ}\)
Angles are: 0°, 180°, 360°, 540°
