TBQ - Find the expression — task. Maths TNSB Mentoring, Class 10.

If \(x = a tan \ \theta\) and \(y = b sec \ \theta\) then

\(\frac{y^2}{b^2} - \frac{x^2}{a^2} = 1\)
\(\frac{y^2}{b^2} - \frac{x^2}{a^2} = 0\)
\(\frac{x^2}{a^2} - \frac{y^2}{b^2} = 0\)
\(\frac{x^2}{a^2} - \frac{y^2}{b^2} = 1\)

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