whoa math
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"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"
http://math.stackexchange.com/posts...
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"
http://math.stackexchange.com/posts...