Simplify square root parenthesis 1 minus cosine theta parenthesis times parenthesis 1 plus cosine theta parenthesis.

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Guest May 8, 2014

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Best Answer

$We have$ \sqrt{(1-cos(x))(1+cos(x))} = \sqrt{1-cos^2(x)}=\sqrt{sin^2(x)}=sin(x)$$

Alan May 8, 2014

Alan · Answer 1 · 2014-05-08T08:03:09

$We have$ \sqrt{(1-cos(x))(1+cos(x))} = \sqrt{1-cos^2(x)}=\sqrt{sin^2(x)}=sin(x)$$

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