Angle Sum Formulas for Sine and Cosine

Proof of the angle sum formulas in a visual way. Step by step construction showing the proof without words.

 

Dr. Doug Davis, 3D

 
Tipo de recurso
Actividad
Etiquetas
angle  cosine  formulas  fórmulas  sine  sum  trigonometry 
Grupo destino (edad)
14 – 19+
Idioma
English
 
 
 
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