THE CENTER OF MY OBSESSION

Visualizing sine (red) on the Y axis and cosine (blue) on the X axis. The relative position of the circle is shown in black:

This shows the same thing, but a bit more simply:

Here’s how sine and cosine apply to triangles:

Cosine is the derivative of sine:

Tangent lines:

Flipped on its side, the shape begins to make more sense:

Converting a function from Cartesian to Polar coordinates:

Drawing a parabola:

The Riemann sum is the approximate area under a curve:

Hyperbola:

Translating that into 3D, you get a hyperboloid. Believe it or not, it’s made with completely straight lines:

Seriously. You can even make it do this:

New this week!

“Some call our realm a world of shadows, but that makes it sound so unpleasant… The twilight there holds a serene beauty… You have seen it yourself as the sun sets on this world. Bathed in that light, all the people were pure and gentle…

Harry Potter - Created by David Belliveau

Gaming Guns