Question

please help me everyone​

Answer 1

Answer:

$\sqrt{ \frac{1 + cos30^{o} }{1 - cos 30^{o} } } = \\ \\ = > \sqrt{ \frac{1 + \frac{ \sqrt{3} }{2} }{ 1 - \frac{ \sqrt{3} }{2} } } = \\ \\ = > \sqrt{ \frac{2 + \sqrt{3} }{2 - \sqrt{3} } } = \\ \\ = > \sqrt{ \frac{(2 + \sqrt{3})(2 - \sqrt{3} ) }{ ({2 - \sqrt{3} })^{2} } } = \\ \\ = > \sqrt{ \frac{4 - 3}{ ({2 - \sqrt{3}) }^{2} } } = \\ \\ = > \frac{1}{2 - \sqrt{3} }$

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