Quote:
Originally Posted by derdsgirl
So I know the goal, sine squared plus cosine squared. Every trigonometric identity comes from that one. I had to prove it when I took trigonometry. Since the right side is 1, we know the left is going to be some form of sine squared plus cosine squared. Let me see if I can work it out on paper a bit.
---------- Post added at 05:13 PM ---------- Previous post was at 04:56 PM ----------
Ok, so I got it to cosA/cosB=1 or cosA=cosB, but that doesn't make too much sense yet.
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Thanks for working on it. I still haven't figured it out
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---------- Post added at 08:39 PM ---------- Previous post was at 08:14 PM ----------
A friend worked on it too and she got cos(a)/cos(b) = 1 also. So maybe a=b is the answer.
I'm so glad this class is over on Friday!!!
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