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Q4: Show that tan 11/2 +tan12/11=tan 13/4 2 25: If A=[3], B=[ -1 31 find 2A-B 0

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Q4: Show that tan 11/2 +tan12/11=tan 13/4 2 25: If A=[3], B=[ -1 31 find 2A-B 0

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