Based on the figure, select all true equations. A. cos open parentheses 42 close parentheses space equals space b over c B. cos open parentheses 48 close parentheses space equals space b over c C. sin open parentheses 42 close parentheses space equals space b over c D. sin open parentheses 48 close parentheses space equals space b over c E. space tan open parentheses 42 close parentheses space equals space b over a F. tan open parentheses 48 close parentheses space equals space a over b