document.write( "Question 1017352: use double angle formulas to verify the identity algebraically.
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Algebra.Com's Answer #633734 by fractalier(6550) $\"\"$ $\"About$

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Okay, sin 2x = sin(x + x) = sin x cos x + sin x cos x = 2 sin x cos x
\n" ); document.write( "3 sin 2x = 3(2 sin x cos x) = 6 sin x cos x \n" ); document.write( "

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