Questions:
How do i do the part
should the angle in be inverse of what it is because answer is (b) and it is only possible when y is some constant which will be using the identity
Some Help please ...
Couldn't you look at it this way:
.
In this case, the inequality would be true if and would essentially result in the domain restriction given in the problem.
When I take the derivative I get . I must go to class now, but will post my work this afternoon if nobody else gets to it first - I'll check my work too (I could be wrong at this point).