Log in

View Full Version : Verify

c.ram13
Jun 8, 2011, 04:48 PM
verify 2x-tanx=tanx sec 2x
ebaines
Jun 9, 2011, 05:55 AM
verify 2x-tanx=tanx sec 2x


You have an error in your formula - for most values of x the two sides are not equal:


2x - \tan(x)\ \ne \ \tan (x) \sec (2x)