Question

sec teta + tan teta = x
prove that
$\frac{ {x}^{2} - 1 }{ {x}^{2} + 1} = \sin(teta)$
​

Answer 1

Answer:

sec teta + tan teta = x

prove that

$\frac{ {x}^{2} - 1 }{ {x}^{2} + 1} = \sin(teta)$

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

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