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Everything Math
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Tag Archives: sine
Girls’ Angle Bulletin, Volume 12, Number 6
The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. From Day One, Girls’ Angle has wished to hire a woman with a doctoral degree in mathematics as Head Mentor at our … Continue reading
Girls’ Angle Bulletin, Volume 12, Number 5
The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. This issue’s interview subject is Tanya Leise, Professor in the Mathematics and Statistics Department of Amherst College. Tanya uses math to study … Continue reading
Posted in applied math, math, Math Education
Tagged chromatic number, circadian rhythms, cosine, Deanna Needell, Erdős, graphs, Jade Buckwalter, Laura Pierson, Martina Maximovich, matching, Matthew de CourcyIreland, Milena Harned, Miriam Rittenberg, ordinals, paper folding, permutations, sine, Tanya Leise, wavelets, Whitney Souery
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Do you believe this?
Here’s a triangle: I’ll use the vertex labels to also denote the corresponding angle measures. Take the sines of all 3 angles in the triangle: , , and . Would you believe it if I told you that these three … Continue reading
Posted in Contest Math, math
Tagged law of cosines, Ptolemy's theorem, similarity, sine, triangles, trigonometry
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Why is the area under one hump of a sine curve exactly 2?
I was talking with a student recently who told me that he always found the fact that amazing. “How is it that the area under one hump of the sine curve comes out exactly 2?” He asked me if there is … Continue reading
Trig Decor
Who says trig is boring?