Trigonometry

A plane is 160 miles north and 85 miles east of an airport. If the pilot wants to fly directly to the airport, what bearing would be taken?

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  1. make a sketch, you know the bearing will be something like
    S Ø W
    and the angle Ø will be the same as the angle inside your right_angled triangle so that
    tanØ = 85/160 = .53125
    Ø = 27.979..° or appr 28°

    So , S 28° W

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