Recent content by dlikes

Homework Statement My problem is I don't understand what my professor wants us to do instead. He says that we don't need to memorize any equations, namely the equations of motion, and that everything can be solved with basic principles and integration. The problem is, I have no idea how to...

Homework Statement The Integral is arctan (4t) dt Homework Equations I know how to do integration by parts, but I guess I have forgotten some of the integration rules. The Attempt at a Solution I set ∫arctan(4t)=u, and dt=dv I know that the derivative of arctan(x) is...

OK, i must have punched something in wrong, because it worked out perfectly this last time I tried it.

Homework Statement My problem is getting the SOLVE() function to work correctly. I have used it plenty of times in the past, but when I put in these 4 equations to solve simultaneously, it gives me the wrong answers. My Professor said that TI-89's sometimes have problems when having to solve...