Tower 20
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Find the angle of elevation 20 seconds after a plane, who's altitude is 3 km, flies over a tower at 200 km/hr
Please explain this step by step, including how you solved for time.
vertical side (opposite to angle) 3 km
horizontal side (adjacent to angle) 200 km/h * (1/60 hr/min)(1/3 min) = 10/9 km
tan A = 3/(10/9) = 2.7
A = invtan 2.7 = 69.68°
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