# Math Help - Trig Puzzle

1. ## Trig Puzzle

Someone showed me a puzzle that I couldn't figure out how to solve. At first it seemed easy, but I ended up getting stumped. Can someone walk me through this?

2. ## Re: Trig Puzzle

Hint: look at the other diagonal of the rectangle.

3. ## Re: Trig Puzzle

Hahahahahahaha. My oh my am I tired....

4. ## Re: Trig Puzzle

I was actually going into the law of cosines...