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sin(A-B)=sin(A)cos(B)-cos(A)sin(B) proof - GEOMETRICAL PROOF
Maths Proofs Videos
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9 years ago
sin(A-B)=sin(A)cos(B)-cos(A)sin(B) proof - GEOMETRICAL PROOF, DIAGRAM INCLUDED
Derive the sin(A-B) geometrically and from absolute scratch. Watch this amazing video.
Video produced by Tiago Hands:
http://www.facebook.com/tiago.hands
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