C-10-Q053mediumsingle_mcqIn Example 2, with tree AB=105AB=105AB=105 m, foot distance BC=xBC=xBC=x, and ∠ACB=60∘\angle ACB=60^\circ∠ACB=60∘, tan60∘\tan 60^\circtan60∘ equals—aBCAB\dfrac{BC}{AB}ABBCbABBC\dfrac{AB}{BC}