1.

In the parabola, y2 = x, what is the length of the chord passing through the vertex and inclined to the x-axis at an angle θ?

A. sin θ ⋅ sec2 θ
B. cos θ . cosec2 θ
C. cot θ ⋅ sec2 θ
D. 2 tan θ ⋅ cosec2 θ
Answer» C. cot θ ⋅ sec2 θ


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