calculus - HELP ASAP Sept 2, 2009 3:22:17 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bluey on Sept 2, 2009 3:22:17 GMT -5 Determine a value of x at which the line that has equation x-4y=7 is tangent to the graph of y= the square root of ((1-cosx)/2)please show work/ explainthanks!