Question

Define - length of the tangent​

Answer 1

Answer:

Hey

Step-by-step explanation:

The length of a tangent is equal to the length of a line segment with end-points as the external point and the point of contact. So, PA and PB are the lengths of tangent to the circle from an external point P. The tangent function is a periodic function which is very important in trigonometry. The simplest way to understand the tangent function is to use the unit circle. For a given angle measure θ draw a unit circle on the coordinate plane and draw the angle centered at the origin, with one side as the positive x -axis.

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Answer 2

x2+ y2=a2

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