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Trigonometry

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Moderate

Landing Plane: Angle of Depression

TRIG-TGYLRV

A plane is flying at an altitude of 6,000 feet. Assuming the plane makes a linear descent to its landing point 1 mile away, what is the plane's angle of depression to this point on the landing runway?

A

$49^{ \circ }$

B

$41^{ \circ }$

C

$1^{ \circ }$

D

$62^{ \circ }$