(2cos^2A-1)^2÷cos^4A-sin^4=1-2sin^2A
(2 \cos(2) a – 1) {}^{2} \div \cos(4) – \sin(4) = 1 – 2 \sin(2) a(2cos(2)a−1)2÷cos(4)−si

(2cos^2A-1)^2÷cos^4A-sin^4=1-2sin^2A
(2 \cos(2) a – 1) {}^{2} \div \cos(4) – \sin(4) = 1 – 2 \sin(2) a(2cos(2)a−1)2÷cos(4)−sin(4)=1−2sin(2)a

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1 thought on “(2cos^2A-1)^2÷cos^4A-sin^4=1-2sin^2A<br />(2 \cos(2) a – 1) {}^{2} \div \cos(4) – \sin(4) = 1 – 2 \sin(2) a(2cos(2)a−1)2÷cos(4)−si”

  1. [tex](2cos^2A-1)^2÷cos^4A-sin^4=1-2sin^2A

    (2 \cos(2) a – 1) {}^{2} \div \cos(4) – \sin(4) = 1 – 2 \sin(2) a(2cos(2)a−1)2÷cos(4)−sin(4)=1−2sin(2)a[/tex]

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