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Base pi number system
Probably sometime, somewhere, or anyhwere, you come across with circle. You want to find circle circumference, where you dont have…
Category: math
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1 min read
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Similar Triangles
Similar triangle share same sides proportions and angles. This makes 6 trig function ratios the same for all similar triangles,…
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Different Ways of Measuring Angles
Most of you maybe know, right angle is 90 degree. Full circle is 360, and so on. But where the…
121 min read
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US Population
I try a problem from This book, James Stewart, Lothar Redlin, Saleem Watson – Algebra and Trigonometry , Third Edition…
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Three laws of logarithms
First things first, what is logarithms? Logarithms define by $y = \log_b x$ where $b^y = x$. From this definition,…