Posts Tagged ‘trigonometry’

Tangent lines to the sine function with rational slope

Posted by: Dave Richeson on August 27, 2014

An amazing paragraph from Euler’s Introductio

Posted by: Dave Richeson on November 9, 2010

Trigonometric functions and rational multiples of pi

Posted by: Dave Richeson on October 28, 2010

More about the neat calculator trick

Posted by: Dave Richeson on February 18, 2010

The math behind a neat calculator trick

Posted by: Dave Richeson on February 17, 2010

Interesting approximations using trigonometry

Posted by: Dave Richeson on February 16, 2010

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