Question 1186167
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Similar problems (TWIN problems) were posted to this forum and solved several times several years ago.


See these links


https://www.algebra.com/algebra/homework/Trigonometry-basics/Trigonometry-basics.faq.question.1150597.html


https://www.algebra.com/algebra/homework/Trigonometry-basics/Trigonometry-basics.faq.question.1140079.html


https://www.algebra.com/algebra/homework/Trigonometry-basics/Trigonometry-basics.faq.question.1149885.html



Having these TEMPLATES, you can easily solve the current problem.



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Reading the problem, you may think that it is somebodies' personal message.


It is not so :  these problems are generated by adapting one single number: the length of the flight path 

from Seattle to New York, which is the only parameter changing from one problem to another.


( . . . Notice that the words and other numbers were NEVER changed . . . )



So, if you know how to solve one such problem, you just know everything, and there is nothing new to learn.