Jumbo Dots
I'm using the vector formula or the dot product formula. This for Trigonometry?
A Boeing 747 jumbo jet maintains an airspeed of 550 mph in a southerly direction. The velocityof the jet stream is an constant 80 mph from the west. Find the actual speed and direction of the aircraft.
V = √(550² + 80²)
≈ 556 mph
Direction tanθ = 550/80 in 3rd quadrant
θ ≈ 81° 43' 27" from West
= 188° 16' 33" T (clockwise from N)
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