Your link is bad. Try just typing up the problem and your work so far.
Hi everyone, Attached is a diagram showing the problem and my work. I'm trying to find the magnitude of my vector in order to be able to get it in a x-y coordinate form. So far I haven't had any luck, with some magnitudes coming out to be negative! I don't know what I'm doing wrong, but obviously it's something big.
link to my diagram/work
Known, but arbitrary: . I need , and
If it does not contain an image in an essential manner, you could of course just type the question, or cut and paste text.