Jinsi prob ya mwisho. Inaweza kutatuliwa unapoweka y=acos(theta)?. Halisiy, y=asin(theta) kwa hivyo y inawezaje kuwa acos(theta)?####[['y', 'Mathematical_Related_Concept', 'NEG'], ['acos(theta', 'Mathematical_Related_Concept', 'NEG'], ['y=acos(theta)', 'Mathematical_Related_Concept', 'NEG'], ['y=asin(theta)', 'Mathematical_Related_Concept', 'NEG']]