Question

$\star \sf\: {sec( {tan}^{ - 1} ( - \frac{y}{3}) }) \: is \: equals \: to$


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Answer 1

Answer:

Answer is underroot[(9+y^2)/9]

Step-by-step explanation:

sec{tan^-1 (-y/3)}

tan^-1 (-y/3) be theta

sec(theta) = underroot 1+tan^2 theta

=underroot 1+y^2/9

So sec theta = underroot[(9+y^2)/9]

Answer 2

Answer:

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