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Complex Numbers Question
wow thanks guys
Ozil11
Post #6
Dec 7, 2013
Forum:
Mathematics Extension 2
Complex Numbers Question
Hi guys, just wondering if anyone would lend a hand, 1. Show that cos2pi/5 + cos4pi/5 = -1/2 2. Hence find the exact value of cos36 Thanks in advance
Ozil11
Thread
Dec 7, 2013
Replies: 5
Forum:
Mathematics Extension 2
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