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BATTLE OF THE TRIG NESTS: SIN VS COS (Michael Penn) View |
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A nice trig product (Michael Penn) View |
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A Functional Equation with An Integral (SyberMath) View |
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You won't believe this method to find the area of a circle!! (Michael Penn) View |
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a TRICKY integral (Michael Penn) View |
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RARE PROOF of well-known sum (Michael Penn) View |
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an unsurprising appearance of pi (Michael Penn) View |
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the cardinal rule for measuring sets (Michael Penn) View |
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a condition stronger than a kangaroo punch (Michael Penn) View |
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Is my follow up problem even possible (Michael Penn) View |