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Post by Tiago on Oct 1, 2017 21:09:46 GMT
Hi, it's Tiago here... In this video I demonstrate how to derive the formula sin(A+B)=sinAcosB+cosAsinB from scratch - by geometrical means. If you've got any questions regarding this video - or you'd like to leave me some feedback, just leave your comments below. Cheers!
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