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Ratio Identities

Trig identities defining tangent and cotangent in terms of sine and cosine.

 

Ratio Identities

     

 


  this page updated 28-jul-14
Mathwords: Terms and Formulas from Algebra I to Calculus
written, illustrated, and webmastered by Bruce Simmons
NCTM Web Bytes December 2004 Web Bytes March 2005 Web Bytes