I'm trying to review my notes and I understand everything until the very last step. Where does the "divided by 2" come from?
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The trigonometrical ratio of cos is given by base/hypotenuse
In your question base is √3 and hypotenuse is 2. So,your 2 has come from hypotenuse.
There's an obvious typo . . . recall what the question is asking.
The last line should be: .
Thank you very much to both for your help.
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