This gif makes the math make sense now!

Benedict Corpuz April 12, 2014 2

Reshared post from +Corina Marinescu

I think if you look at this animation and think about it long enough, you'll understand:

Why circles and right-angle triangles and angles are all related
Why sine is opposite over hypotenuse and so on
Why cosine is simply sine but offset by pi/2 radians

Animation via Mathematics Stack Exchange.


  1. Behrooz Mahootian April 12, 2014 at 12:28 - Reply


  2. Russell Matheson April 14, 2014 at 12:59 - Reply

    So what you're trying to say is that it's all cyclical! What goes around, comes around!

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