C-09-Q129mediumsingle_mcqcot60∘=?\cot 60^\circ = ?cot60∘=?a111b3\sqrt{3}3c13\dfrac{1}{\sqrt{3}}31d12\dfrac{1}{2}21ব্যাখ্যাCotangent is the reciprocal of tangent, and since tan60∘=3\tan 60^\circ = \sqrt{3}tan60∘=3, we get cot60∘=13\cot 60^\circ = \dfrac{1}{\sqrt{3}}cot60∘=31.