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  • Foydalanuvchi T R sharhladi

    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...

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  • Foydalanuvchi T R maqolani yaratdi

    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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