boooopKaylo4
boooopKaylo4
29-09-2016
Mathematics
contestada
Prove: sin θ - sin θ cos2 θ = sin3 θ
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HomertheGenius
HomertheGenius
30-09-2016
t - Theta
sin t - sin t cos² t = sin³ t
sin t ( 1 - cos² t ) = sin³ t
sin t · sin² t = sin³ t
sin³ t = sin³ t
( correct )
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