Question

please it's urgent
$if \: \sin(a) = \frac{ - 5}{13} \: and \: \pi < a < \frac{3\pi}{2} \\ then \: find \: the \: value \: of \: \\ 1 - \sin( \frac{a}{2} ) \\ 2 - \cos( \frac{a}{2} ) \\ 3 - \tan( \frac{a}{2} )$
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Answer 1

How you writ question in this handwriting