Two cities A and B are 300 miles apart. In flying from A to B, a pilot inadvertently took a course that was 15 degrees in error. The error was discovered after 15 minutes at a constant speed of 400 mph

a. how far is the plane from B?

b. through what angle should the pilot turn to correct the course?

c.what new constant speed should be maintained so that no time is lost due to the error?

A picture is given Triangle ABC is given where side AB= 300 and angle A =15. Any help please!

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