L Loola New member Dec 13, 2009 #1 cos2x = cosx+2 solve for x where 0degrees <= x <= 360 degrees tan^2(x-10) =3 btw 10 is in degrees for the 2nd problem
cos2x = cosx+2 solve for x where 0degrees <= x <= 360 degrees tan^2(x-10) =3 btw 10 is in degrees for the 2nd problem