Jun 15, 2010 #1 I iamaeag Newbie level 6 Joined Mar 31, 2005 Messages 13 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,363 Hi~Pals I have a trouble about the math question. Please see the attached picture. Hope everybody can give me some suggestions. Thank you. Best regards.
Hi~Pals I have a trouble about the math question. Please see the attached picture. Hope everybody can give me some suggestions. Thank you. Best regards.
Jul 26, 2010 #2 H htg Full Member level 5 Joined May 1, 2010 Messages 248 Helped 5 Reputation 10 Reaction score 3 Trophy points 1,298 Location Poland Activity points 2,862 Let y <<1, then cos≈1 - (y^2)/2, sin ≈ y. Substitute it into your formula.
Aug 4, 2010 #3 I iamaeag Newbie level 6 Joined Mar 31, 2005 Messages 13 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,363 Hi htg, Thanks to your help. I will try this approximation latter.