| Solve |
 |
|
Remember the game on these... We know how
to solve |
 |
... So, let's do
that. |
 |
This
1 means that
sine and
cosine are the same! |
But, we needed to solve
for x, not
. Stick the
3x back in for the
:
You can always check this
solution on a graphing calculator by graphing
|
at the same time. They should intersect at |
 |
and every |
 |
interval from there. |
|
|
|
|
TRY IT:
| Solve |
 |
around and you pick up the other
one.
