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T R

T R a ajouté un commentaire, 9 juillet 2021 17:34
Sorry, I meant to write "square root of two". The problem is in AB College Calculus in "Limits using Trig Identites". I will re-write the question below; I was wondering why, 1−2sin^2(θ) can be fac...
T R a créé une publication, 9 juillet 2021 17:26
Limits using Trig Identities

I was wondering why, 1−2sin^2(θ) can be factored using the difference of squares to equal,(1+2 squared sin(θ))(1−2 squared sin(θ)? If I foil, how does (2 squared sin)(2 squared sin) =2sin^2
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