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Question Number 56732 by kelly33 last updated on 22/Mar/19

Commented by kelly33 last updated on 22/Mar/19

$f i n d a l l p a r a m e t e r v a l u e s a$ $w i t h p r e s e n t a t i o n e q u a t i o n$ $h a s a s o l u t i o n .$
	Answered by tanmay.chaudhury50@gmail.com last updated on 22/Mar/19

	${t a n}^{2} (π + 2 x) \times {c o t}^{2} (- x) = 2 a$ ${t a n}^{2} 2 x \times {c o t}^{2} x = 2 a$ ${(\frac{2 t a n x}{1 - {t a n}^{2} x})}^{2} \times {c o t}^{2} x = 2 a$ $a = \frac{1}{2} \times \frac{4 {t a n}^{2} x \times {c o t}^{2} x}{{(1 - {t a n}^{2} x)}^{2}}$ $a = \frac{2}{{(1 - {t a n}^{2} x)}^{2}}$ $n o w w h e n t a n x \to 0 a \to 2 [a t x = 0^{o}]$ $w h e n t a n x \to + \infty o r t a n x \to - \infty$ $t h e n {t a n}^{2} x \to \infty$ $t h e n a \to 0$ $s o i [t h i n k a [0, 2]$
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