sin(A-B)=sin(A)cos(B)-cos(A)sin(B) proof - GEOMETRICAL PROOF

Maths Proofs Videos
  • 8 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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