Answer & explanation
Correct answer: option 3
$α=\tan^{-1}(\frac{30}{30\sqrt{3}})=\tan^{-1}(\frac{1}{\sqrt{3}})=\cos^{-1}(\frac{\sqrt{3}}{2})$
Correct answer: option 3
$α=\tan^{-1}(\frac{30}{30\sqrt{3}})=\tan^{-1}(\frac{1}{\sqrt{3}})=\cos^{-1}(\frac{\sqrt{3}}{2})$