Hi there, I'm new.
I'd really like to get a tutor's help with this, but I can't wait until Monday, so I hope you won't mind my asking.
Anyway, this has got me really stumped. The book is no help; all the examples are much less complicated. I'll just post two examples I'm having trouble with for now.
In this section I'm supposed to find all values for
:
1.)
What I tried to do was to move the 4 to the left side, convert to all sine values, and plug the values into the quadratic formula. I ended up with
and
. This is probably wrong, even though I'm fairly sure I didn't make any algebraic errors (I probably just chose the wrong process).
2.)
I tried converting to all sin and cos values. I think my mistake was to try to divide both sides by
after that, since dividing by a variable is a no-no. I ended up with
, which resulted in two correct answers (as special angles), but there are supposed to be four.
Any help is greatly appreciated and will result in my abject adoration, and cake.