Question

$a \: function \: f( \theta) \: is \: defined \: as \ratio$
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Answer 1

$\green{ \bf\huge{ Answer }}$

$f( \theta) = 1 - \theta + \frac{ { \theta}^{2} }{2 !} - \frac{ { \theta}^{3} }{3!} + \frac{ { \theta}^{4} }{4!} ......$