Question:medium

Tangents are drawn from the origin to the curve y=cos x. Their points of contact lie on

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For tangent-from-origin problems, use parametric form and eliminate the parameter.
Updated On: Mar 20, 2026
  • \(x^2y^2=y^2-x^2\)
  • \(x^2y^2=x^2+y^2\)
  • \(x^2y^2=x^2-y^2\)
  • None of these
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The Correct Option is D

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