where does the 5/18 come from?
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where does the 5/18 come from in this problem?
Can someone explain step 5 to me? More specifically, where doesthe 1/4 and the "-Tsinθ" come from.
In addition, in the next line, where does 5/4 come from. I am soconfused. AN explanation would be great, thanks.
where does the 4.5 come from?