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Trigonometry 8 Online
OpenStudy (anonymous):

A plane is heading due south with an airspeed of 297mph. A wind from a direction of 56° is blowing at 12mph. Find the bearing of the plane

OpenStudy (zzr0ck3r):

add the two vectors

OpenStudy (zzr0ck3r):

due south 297cos(-90)i wind 12cos(56)i+12sin(sin(56)j so we get [297cos(-90)+12cos(56)]i+12sin(56)j

OpenStudy (anonymous):

is there a way i can see the graph visually?

OpenStudy (zzr0ck3r):

not really, you can see what the vectors do

OpenStudy (zzr0ck3r):

now you just need the angle and magnitude of that vector^^^

OpenStudy (zzr0ck3r):

brb

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