Eliminate - if x - a - y - b tan- Then find x2a2-y2b2

x = a θ , y = b tanθ thus, θ = xa and tanθ = yb We know, ^2 θ tan^2 θ = 1 (xa)^2 (yb)^2 = 1 x^2a^2 y^2b^2 = 1 ...

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The Equation for the Path of Projectile

Eliminate θ...

Question

Eliminate $θ$ , if $x = a sec θ, y = b tan θ$ . Then find
$\frac{x^{2}}{a^{2}} - \frac{y^{2}}{b^{2}}$

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