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Deducing the Relationship: A sin x + B sin x= R cos (x+a)

Author:Hisham Amir

A video showing proof of an identity that is widely used in Trigonometry.

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  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • Proof of a Rhombus by Construction and Deduction
  • רישום חופשי

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