pre-calc Gotta be as simplified as possible

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707

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2sin^2+2cos^2

Guest Mar 27, 2016

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2sin²(x) + 2cos²(x) = 2( sin²(x) + cos²(x) = 2( 1 ) = 2

because of the Pythagorean Identity: sin²(x) + cos²(x) = 1

geno3141 Mar 27, 2016

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