Tweeted By @fermatslibrary
A visual proof that sin(α+β)=cos(α)sin(β)+cos(β)sin(α) pic.twitter.com/Q23847Rfs3
— Fermat's Library (@fermatslibrary) July 30, 2020
A visual proof that sin(α+β)=cos(α)sin(β)+cos(β)sin(α) pic.twitter.com/Q23847Rfs3
— Fermat's Library (@fermatslibrary) July 30, 2020