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7
votes
Expressing $\sin(2x)-8\cos(2x)$ as a single sine function
homework
trigonometry
asked Jun 14 '12 at 21:34
math.stackexchange.com
5
votes
Proof that ${2}^{3n+2}+{5}^{n+1}\text { is divisible by 3}$ using induction
homework
induction
asked May 20 '12 at 17:08
math.stackexchange.com
Top Answers
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Is Visual Basic compatible with Android?
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