Question

please help anyone PLSSSSS with my questions anyone can help me and plsss no links and pls with whole procedure pls
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Answer 1

Answer:

In my sketch the angle between their flights is 135°

So wouldn't we just have the cosine law??

x^2 = 120^2 + 150^2 - 2(120)(150)cos135°

carry on, take care with the cos135, since it will be negative