Assertion: hang glider's ratio | /r/HasProperty | equal
Facets:
value: numerically
type: DEGREE
value: to the cotangent of the angle
type: OTHER
Source sentences:
text: This ratio of trigonometric functions is equal to the cotangent of the angle, or the inverse of the tangent of the glide angle.
text: The glide ratio (E) is numerically equal to the lift-to-drag ratio under these conditions; but is not necessarily equal during other manoeuvres, especially if speed is not constant.