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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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