Maths-
General
Easy

Question

The length of the subtangent (if exists) at any point θ on the ellipse x squared over a squared minus y squared over b squared equals 1 is

  1. a vertical line sin invisible function application theta vertical line sec squared invisible function application theta
  2. a sin invisible function application theta vertical line sec invisible function application theta vertical line
  3. a vertical line sin invisible function application theta cos invisible function application theta vertical line
  4. a sin squared invisible function application theta ∣ sec invisible function application theta

The correct answer is: a sin squared invisible function application theta ∣ sec invisible function application theta

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