Recent content by bwkerbow

Oh yes that makes perfect sense. I don't like it, but I understand. Thank you so much tycoon515

Please note: I am in degrees I am remembering to include the restriction (|0<x<90) This is the only equation I've had trouble doing on my ti89 In order to solve a problem I am plugging in the following equations: 520cos(x) = 490cos(y) 490sin(y) + 520sin(x) = 678 Doing this by hand...