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Circular Measurement of Angle

Solve: √1-co...

Question

Solve:
$\sqrt{1 - cos 2 x}$

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Solution

$\sqrt{1 - c o s 2 x}$
$B u t 1 - \frac{c o s 2 x}{2} = s i n^{2} x$
$\sqrt{2 s i n^{2} x}$
$\sqrt{2} s i n x$

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